The supplements range
Découvrez 08 - Slim
Your ally for a slimmer figure and healthy weight
Journal
This article is intended for educational and informational purposes only. Hot flushes are most commonly associated with peri-menopause and menopause, but they may also result from other medical or functional causes, including thyroid disorders, medication side effects, infections, autonomic dysregulation, anxiety disorders, hypoglycaemia, or inflammatory conditions, among others.
When hot flushes are severe, unusual, of recent onset or rapidly worsening, or when they are accompanied by marked palpitations, faintness, unexplained weight loss, fever, chest pain, pronounced anxiety, or significant sleep disruption, medical advice is essential. Such symptoms require proper evaluation in order to identify their cause and rule out any underlying pathology.
Therapeutic options — whether hormonal (menopausal hormone therapy) or non-hormonal — must be decided on an individual medical basis, taking into account clinical history, risk factors, expected benefits and personal preferences. The micronutritional and functional approaches discussed in this article are intended to complement medical care and must never be considered a substitute for appropriate medical management when it is indicated [1].
Hot flushes — and their nocturnal counterpart, night sweats — are among the most common, yet also the most poorly understood, symptoms of peri-menopause and menopause. Their prevalence is high, their functional impact substantial, and their duration frequently underestimated. Far from being brief or anecdotal events, they may persist for many years, fragment sleep, impair recovery, disrupt concentration and emotional stability, and ultimately erode overall quality of life [2–4].
Clinically, their presentation is well recognised: a sudden sensation of heat, often rising from the chest or face, accompanied by visible cutaneous vasodilation, sometimes profuse sweating, palpitations, and, paradoxically, a subsequent phase of cooling, shivering or exhaustion. These episodes occur unpredictably, during the day or at night, sometimes triggered by an identifiable factor, sometimes seemingly without cause. This unpredictability contributes significantly to their psychological burden and to the loss of control reported by many women [2–4].
Despite their frequency and impact, hot flushes are still too often reduced to an oversimplified explanation: a direct and inevitable consequence of declining oestrogen levels, interpreted as a form of hormonal “overheating”. While historically understandable, this interpretation is now clearly insufficient. It fails to account for the wide interindividual variability of symptoms, their sometimes disproportionate intensity, or their persistence in some women while others, with comparable oestrogen deficiency, experience few or no symptoms.
One fundamental point must be stated from the outset: in most cases, a hot flush does not correspond to excessive heat production by the body. Rather, it reflects a heat-dissipation response — peripheral vasodilation and sweating — that is triggered inappropriately. In other words, the body is not truly “too hot”; it is the regulatory system that misinterprets a minimal thermal variation as excessive [3,5–7].
Seminal work in human thermoregulatory physiology has identified a now well-documented central mechanism: the narrowing of the thermoneutral zone. This zone corresponds to the very narrow range within which core body temperature can fluctuate without triggering major corrective responses. At menopause, this zone becomes constricted: the sweating threshold and the shivering threshold move closer together, rendering the system hypersensitive. As a result, a minimal thermal change — normally silent — is sufficient to trigger an exaggerated heat-dissipation response [3,5–7].
From this perspective, a hot flush appears less as a thermal abnormality than as a central signalling error. The brain — more specifically, the hypothalamic centres responsible for thermoregulation — initiates a disproportionate response relative to the actual stimulus. This represents a major paradigm shift: the problem is not peripheral but central; it is not an excess, but a lowered tolerance threshold.
This shift in perspective underpins the Cellular Nutrition® approach. Hot flushes are not viewed as isolated symptoms or as an unavoidable hormonal fate, but as integrative biological signals. They reflect a broader disorganisation of regulatory mechanisms converging on the thermoregulatory centre: hormonal regulation, neuro-inflammatory signalling, metabolic stability, autonomic nervous system balance, circadian regulation and cellular energy availability [3,5,7].
Within this contemporary framework, oestrogen decline plays a clear triggering role, but it never acts in isolation. It operates within a given biological terrain, shaped by low-grade inflammation, metabolic stability, sleep quality, autonomic nervous system tone, mitochondrial function and the gut–brain axis. It is the interaction between these factors that determines the intensity, frequency, duration and subjective tolerance of hot flushes.
Hot flushes reflect instability of the hypothalamic thermoregulatory centre, resulting from a narrowing of the thermoneutral zone driven by the interaction of six major biological axes:
This model does not propose a new theory, but rather a coherent organisation of already documented mechanisms, allowing a shift from a purely symptomatic to a functional interpretation. It forms the conceptual backbone of the entire article and the starting point for a regulatory strategy aimed not at masking symptoms, but at progressively restoring biological signal coherence [3,5–7].
Thermoregulation is one of the most finely regulated homeostatic mechanisms in living organisms. It conditions the stability of enzymatic reactions, the fluidity of cellular membranes, mitochondrial efficiency and, more broadly, the functional coherence of all biological systems. Contrary to a still widespread representation, thermoregulation is neither passive nor peripheral: it relies on a complex, continuous and highly signal-sensitive central integration.
In healthy adults, core body temperature is maintained within an extremely narrow range, typically within a few tenths of a degree. This apparent stability conceals constant, silent regulatory activity, continuously adjusting heat dissipation and conservation mechanisms in response to metabolic, hormonal, emotional and environmental variations [3,5–7].
When regulation is efficient, individuals are not consciously aware of their body temperature. Thermoregulation only becomes perceptible when the system becomes unstable, hypersensitive or desynchronised — at which point symptoms emerge, of which hot flushes are the most striking manifestation.
The central hub of thermoregulation lies within the hypothalamus, more specifically in the preoptic area. This structure acts as a true integrative control centre, continuously receiving and combining information from:
Based on this integration, the hypothalamus modulates thermoregulatory effectors to maintain the organism within the thermoneutral zone — the range within which no major corrective response is required [3,5–7].
The main effectors involved include:
Under physiological conditions, these adjustments are gradual, proportional and reversible. They occur in the background, without conscious perception. Core temperature may fluctuate slightly throughout the day in response to activity, food intake or circadian rhythms, without ever triggering excessive responses [3,5–7].
This stability relies on a key principle: a sufficiently wide thermoneutral zone. As long as this zone is preserved, the body tolerates internal fluctuations without activating emergency mechanisms.
During peri-menopause and menopause, this system progressively loses robustness. Data from human physiology and experimental models converge on a now well-established mechanism: reduction of the thermoneutral zone [3,5–7].
The decline in oestrogen does not cause a sustained elevation of core body temperature. Instead, it alters how the hypothalamus defines response thresholds. The sweating threshold is lowered, while the shivering threshold shifts closer, dramatically reducing thermal tolerance.
In this context, even minimal changes in core temperature — induced by light physical effort, a meal, an emotion, metabolic fluctuation or environmental change — may be sufficient to cross the upper threshold. The hypothalamus then interprets this variation as excessive and immediately triggers a powerful heat-dissipation response: abrupt vasodilation, intense sweating and cardiovascular activation [3,5–7].
The key clinical implication is that a hot flush is not a true rise in body temperature, but an inappropriate response to an otherwise banal physiological stimulus. The brain responds too early, too strongly and too frequently. The issue is not excessive heat production, but faulty triggering due to a lowered threshold.
This mechanism explains several hallmark features of hot flushes:
Major advances over the past decade have identified a key actor in this dysregulation: hypothalamic KNDy neurons — so named for their expression of kisspeptin, neurokinin B and dynorphin. These neurons, primarily located in the arcuate nucleus of the hypothalamus, are particularly sensitive to oestrogen modulation [8–10].
KNDy neurons occupy a strategic position in coordinating multiple functions:
Under physiological conditions, oestrogens exert an inhibitory effect on KNDy neuronal activity, contributing to stable thermal thresholds. When this inhibition is lost at menopause, KNDy neurons become hyperactive, lowering the threshold for thermoregulatory responses and increasing the likelihood of excessive vasomotor reactions [8–10].
Experimental models are particularly instructive: transient activation of kisspeptin- and neurokinin B-expressing neurons following oestrogen withdrawal reproduces vasomotor responses analogous to hot flushes. Conversely, pharmacological blockade of neurokinin B receptors abolishes these responses in such models [11].
These findings have translated directly into clinical practice. The development of neurokinin-3 receptor antagonists targeting this KNDy pathway has demonstrated significant reductions in vasomotor symptoms in menopausal women, confirming the central role of these hypothalamic circuits in the generation of hot flushes [12–14].
From a Cellular Nutrition® perspective, this is a crucial point: it demonstrates that hot flushes are neither diffuse nor non-specific phenomena, but the result of precise neuroendocrine circuit dysregulation, itself highly sensitive to the inflammatory, metabolic and energetic environment of the cell.
While oestrogen decline and hypothalamic circuit dysregulation form the neuroendocrine foundation of hot flushes, they do not account for their intensity or for the striking interindividual variability observed in clinical practice. Comparable levels of hormonal deficiency can be associated with radically different symptom profiles: infrequent and mild flushes in some women, versus frequent, intense and unpredictable episodes in others. This heterogeneity points to a major transversal factor: baseline inflammatory status.
Chronic low-grade inflammation — sometimes referred to as silent inflammation or metaflammation — becomes increasingly prevalent with age and during the menopausal transition. It does not present with acute inflammatory signs, but with a subtle and persistent elevation of pro-inflammatory mediators, sufficient to durably alter the functioning of central regulatory systems [15–17].
From a Cellular Nutrition® perspective, low-grade inflammation is not viewed as a single causal factor for hot flushes, but as a biological amplifier. It lowers tolerance thresholds, rigidifies responses, and transforms otherwise innocuous physiological variations into signals perceived as excessive.
The hypothalamus is not only a centre for thermal and hormonal regulation; it is also highly sensitive to the immuno-inflammatory environment. Circulating pro-inflammatory cytokines — such as IL-6, TNF-α or IL-1β — can directly or indirectly influence hypothalamic neuronal activity by altering neurotransmission, synaptic plasticity and sensitivity to peripheral signals [15,16].
In a context of low-grade inflammation, the brain operates within a biologically “noisy” environment. Thresholds for adaptive responses — whether thermal, metabolic or autonomic — become lower, more unstable and less predictable. In practical terms, the system loses tolerance.
Applied to thermoregulation, this is particularly relevant: a hypothalamus chronically exposed to inflammatory signals becomes hypersensitive to internal thermal variations. The thermoneutral zone, already narrowed by the loss of oestrogenic modulation, is further destabilised. The distance between a minor stimulus and a major heat-dissipation response is reduced [15–17].
One of the major contributions of contemporary inflammaging research is the move beyond a binary view of inflammation as either present or absent. In most menopausal contexts, there is no identifiable acute inflammation, but rather a chronic, low-level inflammatory noise that degrades the quality of biological signalling [15].
This inflammatory noise acts through several mechanisms:
From this perspective, a hot flush is not triggered by a single “cause”, but by an accumulation of poorly tolerated signals. Inflammation does not create the thermal stimulus; it renders the system unable to absorb it silently.
This framework helps explain why some women report hot flushes triggered by a wide range of factors — emotional stress, meals, fatigue, moderate ambient heat — and why these triggers may vary from day to day. What changes is not the factor itself, but the system’s tolerance.
Low-grade inflammation also exerts a structuring effect on the autonomic nervous system. Physiological and clinical data show that chronic inflammatory states are associated with relative sympathetic overactivity and reduced parasympathetic flexibility [16,17].
Thermoregulation depends closely on this autonomic balance. When sympathetic tone predominates:
In this context, each hot flush becomes a stressor in itself, fuelling a vicious cycle: inflammation → autonomic hyperreactivity → hot flush → sympathetic activation → further inflammation [16,17].
This dynamic explains why, in some women, hot flushes are accompanied by anxiety, palpitations, a sense of loss of control or profound exhaustion following the episode. The thermal symptom cannot be dissociated from the global autonomic response.
One of the strongest arguments supporting the amplifying role of inflammation lies in a consistent clinical observation: similar oestrogen deficiency does not produce uniform symptoms.
Longitudinal cohorts and clinical analyses show that the severity and persistence of vasomotor symptoms are associated with factors such as:
These associations do not imply that inflammation directly “causes” hot flushes, but that it modulates their expression. It transforms a relatively common neuroendocrine mechanism — narrowing of the thermoneutral zone — into a more or less disabling clinical picture.
In purely symptomatic approaches, inflammation is often addressed through suppression: calming, inhibiting, blocking. The Cellular Nutrition® framework proposes a different logic: reducing baseline inflammatory noise in order to restore signal clarity.
The aim is not to extinguish a normal physiological response, but to give the central system sufficient tolerance for thermal variations to become silent again. By lowering low-grade inflammation, the thermoneutral zone is indirectly widened, autonomic flexibility improves, and recovery after each episode becomes easier.
This explains why interventions targeting inflammatory terrain — low-inflammatory dietary patterns, restoration of digestive coherence, improved sleep and recovery — can significantly reduce the intensity and frequency of hot flushes in some women, without acting directly on hormones.
Low-grade inflammation is neither the sole cause nor a trivial epiphenomenon of hot flushes. It acts as a threshold factor, determining the point at which a benign stimulus becomes triggering.
In a system already destabilised by hormonal transition, inflammation reduces tolerance margins, amplifies responses and rigidifies regulatory mechanisms. The hot flush then emerges as the clinical expression of a system that has lost its capacity for silent absorption.
Reducing inflammatory noise does not negate the hormonal dimension of hot flushes; it restores coherence to the entire regulatory network — a prerequisite for stable physiological thermoregulation.
Hot flushes are commonly perceived as a strictly central phenomenon — hypothalamic, neuroendocrine, autonomic. This view is accurate, but incomplete. It overlooks a major peripheral actor capable of simultaneously influencing inflammation, hormonal metabolism, autonomic signalling and central tolerance to internal stimuli: the intestinal ecosystem.
Over the past fifteen years, scientific literature has profoundly reshaped our understanding of the gut microbiota. It is no longer regarded as a mere digestive adjunct, but as a metabolic, immune and informational organ in constant dialogue with the central nervous system. Within this framework, its potential role in menopausal vasomotor symptoms becomes physiologically coherent [18,19].
From a Cellular Nutrition® standpoint, the gut is never presented as “the cause” of hot flushes, but as a signal modulator. When dysregulated, it contributes to increased inflammatory noise, altered oestrogen metabolism and rigidified central responses, further lowering an already fragile thermoregulatory threshold.
The menopausal transition is associated with measurable changes in gut microbiota composition and diversity. Several reviews and observational studies describe relative reductions in bacterial diversity, shifts in dominant populations, and associations with metabolic and inflammatory alterations [18].
These changes are not uniform and depend strongly on individual context — diet, physical activity, body composition, medication exposure and stress levels. Nevertheless, their existence challenges the notion that menopause is a purely hormonal event without peripheral biological repercussions.
Functionally, these microbiota alterations are associated with:
All these effects converge towards a common outcome: reduced central tolerance to internal signals, creating a favourable terrain for thermoregulatory instability.
The gut–brain axis refers to the bidirectional communication between the intestinal ecosystem and the central nervous system, mediated by neural pathways (notably the vagus nerve), immune signalling (cytokines), endocrine and metabolic routes. This communication allows intestinal status to influence central reactivity, and vice versa [19].
In the context of hot flushes, several mechanisms are physiologically plausible:
Recent reviews have discussed the hypothesis that menopausal vasomotor symptoms may, in some women, partly reflect dysregulation of this gut–brain axis — without asserting universal or direct causality [19].
This nuance is essential: it is not a matter of claiming that “everything comes from the gut”, but of recognising that the gut modulates the quality of signals received by the brain.
One of the most extensively studied mechanisms linking gut dysfunction to systemic inflammation is increased intestinal permeability. When the intestinal barrier is compromised, translocation of bacterial or dietary components into the circulation can stimulate a chronic low-grade immune response [23].
In the menopausal context, increased permeability may contribute to:
Importantly, this mechanism does not require overt digestive disease. Mild digestive complaints — bloating, irregular bowel habits, post-prandial discomfort — may be sufficient to maintain a moderate but persistent inflammatory terrain [18,23].
From a Cellular Nutrition® viewpoint, intestinal permeability is not pursued as an isolated diagnosis, but as a contextual factor capable of lowering regulatory thresholds.
Beyond inflammation, the gut microbiota directly influences oestrogen metabolism via the estrobolome — the subset of bacteria capable of producing enzymes such as β-glucuronidase. These enzymes participate in deconjugating oestrogens in the intestine, facilitating their enterohepatic recirculation [20–22].
This mechanism explains a crucial clinical observation: circulating oestrogen levels do not always reflect true functional hormonal availability. Two women with similar serum oestrogen concentrations may experience different tissue exposure and central tolerance, depending on intestinal recirculation.
A dysregulated estrobolome may therefore:
Once again, the gut is not “the cause”, but a fine-tuning modulator capable of amplifying or attenuating the effects of hormonal transition.
Within a Cellular Nutrition® approach, addressing the gut–brain–oestrogen axis serves a precise objective: reducing background noise and improving biological signal readability.
This does not involve medicalising digestion indiscriminately, nor pursuing an abstract ideal of microbiota “normality”, but rather:
When the gut ceases to act as a source of inflammatory or incoherent signalling, the central system gains adaptive margin. Thermoregulation becomes more stable — not through direct action, but through improvement of the overall biological context.
The intestinal microbiota does not, on its own, trigger hot flushes. However, it can decisively influence symptom severity, frequency and tolerance by modulating inflammation, hormonal signalling and central reactivity.
In an integrative framework, the gut acts as a threshold regulator: when balanced, it expands tolerance margins; when dysregulated, it contributes to thermoregulatory fragility.
Recognising this role allows us to move beyond an exclusively hormonal or exclusively central view, and to situate hot flush management within a coherent, progressive and physiologically grounded strategy.
Among the most frequently reported triggers of hot flushes are situations that, at first glance, appear unrelated to temperature: meals, the end of the night, fatigue, a sudden “energy dip”, emotional stress or palpitations. This clinical observation, often relegated to the background, is in fact entirely consistent with physiology. It points to a central axis of thermal regulation: the stability of energetic signals.
Thermoregulation never operates in isolation. It is tightly interwoven with energy metabolism, glucose availability, mitochondrial activity and the brain’s perception of energetic safety. When energy becomes unstable, unpredictable or insufficient, the central nervous system tends to lower its tolerance thresholds and to favour rapid, sometimes inappropriate responses. In this context, the hot flush emerges less as a primary thermal phenomenon than as an energetic stress response [3,5,24].
The hypothalamus is not only a thermoregulatory centre; it is also a major hub for energy regulation. It continuously integrates information related to:
These energetic signals directly influence the thresholds for autonomic responses, including thermal ones. When energy is stable and predictable, the organism tolerates internal variations more easily. When energy becomes unstable, the central system adopts a state of heightened vigilance, lowering response thresholds [3,5,24].
In a menopausal terrain already weakened by loss of oestrogenic modulation and low-grade inflammation, this energetic vigilance alone may be sufficient to tip thermoregulation into instability.
Many women report hot flushes occurring:
This pattern is consistent with a well-documented mechanism: rapid glycaemic variations, particularly reactive drops in blood glucose, activate counter-regulatory systems — adrenaline and cortisol — whose effects on vasomotor tone and sweating are direct [3,5,24].
Importantly, these fluctuations do not require pathological hypoglycaemia. Even rapid variations within a biologically “normal” range may be interpreted as a stress signal by a central system that has already become hypersensitive [24].
Clinically, this explains why some hot flushes are accompanied by:
Thermoregulation thus becomes one of the expression pathways of acute metabolic stress.
Night-time represents a particularly vulnerable metabolic context. Energy intake is interrupted, blood glucose relies more heavily on endogenous regulation, and control depends almost entirely on automatic hypothalamic mechanisms.
In this setting, any energetic fragility — an overly light evening meal, a long delay since the last intake, daytime glycaemic instability — may lead to nocturnal activation of stress hormones. This activation can in turn trigger an excessive vasomotor response, waking the individual through a hot flush [24–27].
This mechanism helps explain why some women describe recurrent nocturnal flushes, sometimes occurring at fixed times, associated with abrupt awakening, heat, palpitations, followed by cooling and exhaustion. This is not a mysterious phenomenon, but the interaction between nocturnal energetic stress and a lowered thermoregulatory threshold.
Cortisol plays a central role in this dynamic. As a key hormone of energy regulation, it helps maintain blood glucose during stress or prolonged fasting. However, when secreted inappropriately — in response to repeated glycaemic fluctuations, chronic stress or fragmented sleep — it contributes to autonomic rigidity [24–27].
Inappropriate cortisol patterns, particularly at night, are associated with:
In this context, the hot flush becomes the visible expression of an energetic system under strain, forced to rely on rapid responses to maintain balance.
Beyond glycaemia, mitochondrial function plays a fundamental role in tolerance to energetic variation. Mitochondria ensure ATP production and fine-tuned cellular energy management. When functioning optimally, cells possess sufficient adaptive margin to absorb internal fluctuations without triggering alarm signals.
Conversely, mitochondrial fatigue — related to chronic stress, inflammation, sleep debt or nutritional insufficiency — reduces this margin. The brain then more readily perceives the internal environment as unstable or threatening, lowering tolerance thresholds [3,5,24].
In this framework, thermoregulation is often among the first systems to manifest this loss of resilience. The hot flush may thus be understood as a signal of energetic overload, indicating insufficient buffering capacity.
Within a Cellular Nutrition® approach, the goal is not to eliminate energetic variation — which is intrinsic to life — but to restore predictability and tolerance. Thermoregulation directly benefits from energy that is more stable, better distributed and more efficiently utilised at the cellular level.
Key levers include:
By reducing baseline energetic stress, the likelihood that the central system will trigger disproportionate thermal responses decreases.
Energy metabolism represents a major, yet often overlooked, determinant of thermoregulatory stability. Glycaemic fluctuations, nocturnal energetic stress and mitochondrial fatigue do not fully explain hot flushes on their own, but they significantly lower the triggering threshold in an already vulnerable system.
From an integrative perspective, restoring thermoregulation necessarily involves restoring the brain’s perception of energetic safety. When energy becomes stable and tolerable again, thermoregulation progressively resumes its silent function.
Hot flushes are rarely purely “thermal” events. They are frequently accompanied by palpitations, accelerated breathing, a sense of urgency, and sometimes diffuse anxiety or panic. These manifestations are neither incidental nor secondary; they reflect the direct involvement of the autonomic nervous system in the genesis and intensity of vasomotor symptoms.
The autonomic nervous system — through the dynamic balance between its sympathetic and parasympathetic branches — is one of the major regulators of thermoregulation. When this balance becomes rigid and shifts towards chronic alert, thermoregulation ceases to be a silent function and becomes a survival response: rapid, abrupt and poorly modulated [27–31].
Physiological studies clearly show that hot flushes are accompanied by measurable autonomic activation. Recordings of skin conductance, heart rate, heart rate variability (HRV) and polysomnography demonstrate that vasomotor episodes are associated with increased sympathetic activity and a concomitant reduction in parasympathetic tone, including during sleep [27–29].
These findings are fundamental, as they confirm that the hot flush is not merely perceived as stressful; it is a stress activation at the neurophysiological level. The autonomic system transiently shifts into an alert mode, with direct consequences for vasomotor tone, sweating and post-episode recovery.
The lower the baseline autonomic flexibility, the more abrupt and prolonged this shift becomes.
The sympathetic nervous system plays a key role in regulating cutaneous vasomotor tone. When excessively or chronically activated, it alters the sensitivity of vascular and sudomotor effectors, making thermal responses more abrupt and less proportionate [27–31].
In the context of chronic stress — psychological, occupational, emotional or physiological — the organism remains in a state of background vigilance. This persistent alert lowers the triggering thresholds of autonomic responses, including thermal ones. A minimal internal variation, normally tolerated, then becomes sufficient to trigger a hot flush.
This mechanism explains why hot flushes are often:
At the neurochemical level, noradrenaline plays a central role in this dynamic. It is involved in arousal, vigilance, stress responses and autonomic regulation. Experimental and pharmacological data suggest that changes in central noradrenergic activity directly influence thermoregulatory thresholds [31].
The clinical relevance of this mechanism is illustrated by agents acting on central sympathetic tone, such as clonidine. By reducing central sympathetic activity, clonidine has been shown to increase the sweating threshold in symptomatic women, without altering baseline body temperature [31].
These observations reinforce the idea that, in many cases, hot flushes are not due to excessive heat production, but to autonomic responses triggered too easily.
Chronic stress is not limited to psychological experience. It corresponds to sustained activation of stress-response systems, with cumulative effects on the autonomic nervous system, the hypothalamic–pituitary–adrenal axis and inflammation [27–31].
When this state persists:
In this context, thermoregulation becomes a secondary function. The body prioritises speed of reaction over precision. Hot flushes then appear as autonomic discharges, revealing a system under overload.
Night-time is a particularly sensitive period for the autonomic nervous system. In the absence of conscious control, regulation relies entirely on automatic circuits. In individuals with an already fragile autonomic system, this period becomes a privileged expression ground for imbalance [27–29].
Nocturnal hot flushes illustrate this vulnerability:
This fragmentation, in turn, reinforces autonomic stress, inflammation and fatigue, perpetuating the vicious cycle previously described.
Within a Cellular Nutrition® approach, stress and autonomic activation are not treated as enemies to be eliminated, but as physiological functions that have become rigid. The goal is not to inhibit the autonomic nervous system, but to restore its flexibility — its capacity to shift rapidly from alert to recovery.
This flexibility depends on several factors:
When autonomic flexibility is restored, thermal responses become proportionate again. Thermoregulation ceases to function as an emergency response and regains its silent adaptive role.
In many cases, hot flushes represent the peripheral expression of central autonomic hyperactivation. They signal an autonomic nervous system operating in excessive vigilance, whose thresholds have been lowered by chronic stress, inflammation and energetic instability.
Understanding this mechanism allows us to move beyond guilt-inducing (“I can’t manage my stress”) or fatalistic interpretations. This is not an individual failing, but a modifiable physiological state. By restoring autonomic flexibility, the thermoregulatory tolerance zone widens and the likelihood of excessive vasomotor responses diminishes.
Hot flushes and sleep disturbances are bound by a close, bidirectional and often self-perpetuating relationship. While vasomotor symptoms are frequently more pronounced at night, this is neither coincidental nor merely a matter of heightened perception. Night-time constitutes a specific physiological context in which thermoregulation relies almost exclusively on automatic hypothalamic mechanisms — mechanisms rendered more vulnerable by the menopausal transition [24–26].
Within this framework, sleep becomes both a victim and an amplifier of thermoregulatory instability. Hot flushes fragment sleep; poor sleep, in turn, further lowers the thermal threshold, increasing the likelihood of subsequent episodes. This nocturnal vicious circle is one of the key drivers of symptom chronicity.
Sleep initiation and maintenance depend on a close interaction between circadian, thermal and autonomic regulatory systems. Physiologically, the transition into sleep is accompanied by:
This thermal decline is not a by-product of sleep; it is a biological prerequisite. Heat dissipation facilitates sleep onset and consolidation of deep sleep. When thermoregulation is stable, this process is smooth and silent.
At menopause, narrowing of the thermoneutral zone destabilises this mechanism. A minimal thermal variation, occurring in a context of reduced conscious vigilance, may be sufficient to trigger an excessive heat-dissipation response. Night-time thus becomes a privileged setting for the expression of hot flushes.
When a hot flush occurs during the night, it induces abrupt autonomic activation:
This activation is almost always accompanied by a micro-arousal — sometimes not consciously perceived, but sufficient to fragment sleep architecture. Deep slow-wave sleep and REM sleep may be shortened or interrupted, even if total sleep duration appears preserved [27–29].
Repeated night after night, these micro-arousals lead to qualitative sleep debt. Metabolic, neuronal and autonomic recovery becomes incomplete, setting the stage for further hot flushes the following night.
Sleep plays a central role in regulating inflammation, stress responsiveness and hypothalamic sensitivity. Evidence consistently shows that fragmented or insufficient sleep is associated with:
In other words, poor sleep renders the brain more reactive. In this context, the threshold for triggering thermal responses drops further. The following night becomes even more vulnerable, and the vicious circle takes hold:
hot flush → arousal → poor sleep → hypersensitivity → hot flush.
This mechanism explains why some women enter a spiral of persistent nocturnal symptoms, sometimes independently of objective hormonal changes.
In some women, recurrent nocturnal hot flushes condition the night itself. Anticipation of waking drenched in sweat, struggling to fall back asleep or feeling exhausted the next day creates a state of anticipatory hypervigilance, often outside conscious awareness.
This hypervigilance maintains baseline autonomic activation, preventing full parasympathetic disengagement necessary for deep sleep. Thermoregulation remains under tension, ready to tip in response to minimal internal variation.
It is important to emphasise that this mechanism is not psychological in a reductive sense. It represents a neurophysiological adaptation to repeated nocturnal instability — one that can gradually reverse as the biological terrain improves.
From a functional standpoint, night-time acts as a stress test. When regulatory systems are robust — low inflammation, stable energy, flexible autonomic control — the night is silent. When these systems are weakened, the night reveals imbalance.
Nocturnal hot flushes often signal:
Understanding night-time as a revealer rather than an enemy shifts the intervention strategy: rather than treating the night in isolation, one prepares the night upstream, through daytime adjustments that condition nocturnal stability.
Within a Cellular Nutrition® framework, sleep is never a secondary lever. It is a central pillar of thermal, inflammatory and autonomic regulation. Restoring sleep quality does not merely reduce fatigue; it progressively raises the thermoregulatory threshold.
Key levers include:
When sleep consolidates — even partially — thermoregulation becomes more tolerant. Nocturnal hot flushes lose intensity, recovery improves and the vicious circle begins to loosen.
Nocturnal hot flushes are neither inevitable nor isolated phenomena. They reflect a loss of coherence in regulatory mechanisms that becomes particularly evident at night, when the body operates on automatic control.
Breaking the thermoregulation–sleep vicious circle requires moving beyond palliative responses to restore the biological conditions for restorative sleep. By protecting the night, thermoregulation is protected; by stabilising thermoregulation, the night is restored. It is within this virtuous interaction that durable relief emerges.
Hot flushes are often described through lists of “triggers”: alcohol, coffee, ambient heat, stress, emotions, spicy foods, physical activity. While partially useful, this approach can become counterproductive when it leads to an accumulation of prohibitions or simplistic causal interpretations.
Physiologically, these factors are not autonomous causes. They act as revealers or amplifiers of pre-existing thermoregulatory instability. Understanding this distinction is essential: it is not exposure itself that triggers the flush, but the system’s tolerance at the time of exposure.
From a Cellular Nutrition® perspective, the relevant question is therefore not “what triggers my hot flushes?”, but “under which biological conditions do these factors become triggering?”
Alcohol is one of the most frequently reported aggravating factors for hot flushes. Physiologically, its action is twofold:
Observational studies show variable associations between alcohol consumption and vasomotor symptoms, depending on dose, timing, metabolic terrain and hormonal context [32,33]. This variability highlights a key point: alcohol is not a universal trigger, but a contextual destabiliser.
In women with an already lowered thermoregulatory threshold, even small amounts may be sufficient to trigger a flush. Conversely, in a more stable terrain, the effect may be minimal or absent. Practically, alcohol represents a high-yield diagnostic lever: temporary reduction often quickly clarifies its true role [32,33].
Caffeine primarily acts by stimulating the central nervous system and sympathetic activity. In theory, it could therefore favour vasomotor responses. However, epidemiological data are nuanced: after adjustment for confounders, some cohorts do not show a robust association between coffee consumption and hot flush frequency [34].
By contrast, several studies report an association between caffeine and greater perceived bother from vasomotor symptoms in some women, particularly after menopause [35]. This distinction is important: caffeine may not increase the number of flushes, but may amplify their perception or autonomic reactivity.
Within a Cellular Nutrition® framework, caffeine is neither demonised nor trivialised. It becomes problematic when embedded in a context of stress, fragile sleep or autonomic hyperactivation. Its effect is therefore contextual and dose-dependent [34,35].
Environmental heat, insulating clothing or confined spaces are often blamed for triggering hot flushes. Strictly speaking, these factors increase peripheral thermal load, but they are insufficient on their own to trigger a flush in a woman with stable thermoregulation.
Their role is primarily aggravating rather than causal: in a system with an already narrowed thermoneutral zone, any additional thermal load may suffice to cross the triggering threshold. Conversely, in a minimally symptomatic woman, these factors are well tolerated.
This distinction helps avoid excessive focus on the environment at the expense of modifiable central levers.
Intense emotions — frustration, anger, anxiety, excitement — are among the most commonly reported triggers. Their involvement is physiologically coherent: acute emotion is accompanied by autonomic activation, catecholamine release, changes in vasomotor tone and sweating.
Here again, emotion is not the primary cause. It acts as a test of autonomic flexibility. In a resilient terrain, activation is brief and proportionate. In a fragile terrain, the response is excessive and spills over into thermoregulation [27–31].
This perspective helps move away from guilt-inducing interpretations (“I’m too stressed”) and reframe emotion within a modifiable physiological context.
Physical activity may exert paradoxical effects on hot flushes. In the short term, intense effort can raise core temperature and trigger a vasomotor response. Over the longer term, however, regular physical activity improves metabolic sensitivity, reduces low-grade inflammation, strengthens mitochondrial function and enhances autonomic flexibility.
Evidence suggests that it is not activity itself that is problematic, but its intensity, timing and associated recovery. Poorly recovered exercise may transiently worsen symptoms; appropriately dosed and progressive activity represents a stabilising lever over time [24–27].
The key contribution of the Cellular Nutrition® approach is a shift in focus: triggers are not isolated causes, but threshold tests.
When thermoregulation is stable, these factors remain silent. When it is unstable, they become revealing. The strategy is therefore not indefinite avoidance, but raising tolerance thresholds by acting on central axes: inflammation, energy, autonomic balance, sleep and intestinal coherence.
Identifying contextual factors helps make sense of one’s own hot flushes, but systematic avoidance is neither realistic nor desirable in the long term. The goal is not to live in restriction, but to restore a sufficiently robust biological terrain for these factors to cease being triggering.
From an integrative perspective, each “trigger” becomes useful information: not about what must be eliminated, but about what remains to be stabilised in overall regulation.
Acting effectively on hot flushes requires moving beyond reflex, fragmented or purely symptomatic responses. The evidence accumulated throughout the preceding chapters converges towards a clear conclusion: thermoregulation is an integrative function, dependent on the simultaneous coherence of multiple biological axes. Any isolated intervention, however relevant, remains partial if it is not embedded within this global architecture.
Within a Cellular Nutrition® framework, the objective is not to silence a symptom, but to progressively re-educate the thermoregulatory threshold by improving the quality of biological signals converging on the hypothalamic centre.
Chronic low-grade inflammation is one of the main factors lowering the thermoregulatory threshold. As long as inflammatory noise persists, the hypothalamus operates in a state of heightened vigilance, primed to trigger disproportionate responses.
Reducing this inflammation is not aimed at a short-term symptomatic effect, but at gradual desensitisation of regulatory centres. Effective levers include:
Within this context, thermoregulatory improvement is indirect yet profound: by lowering background noise, the thermoneutral zone gradually widens.
Rapid glycaemic fluctuations represent a frequent but underestimated trigger of hot flushes. Each reactive hypoglycaemic episode is interpreted as acute stress, leading to sympathetic activation and cortisol secretion — both powerful modulators of vasomotor responses [24–27].
An effective strategy aims to restore energetic predictability by:
When the brain receives more stable energetic signals, it becomes less likely to trigger emergency thermal responses.
An autonomic nervous system dominated by sympathetic tone favours excessive, poorly modulated responses. Restoring autonomic flexibility does not mean “relaxing” in a prescriptive sense, but restoring the system’s capacity for modulation.
Effective levers include:
As autonomic flexibility improves, vasomotor responses become more graded and post-flush recovery more rapid.
Thermoregulation is tightly linked to the cell’s ability to manage energetic variation. Energetically fragile cells tolerate internal fluctuations poorly and transmit amplified stress signals to the brain.
Supporting mitochondrial function helps to:
This lever is particularly relevant in women reporting disproportionate fatigue, slow recovery or marked intolerance to stress and effort.
The intestinal microbiota influences systemic inflammation, oestrogen metabolism, neurotransmitter production and stress responsiveness. Restoring its coherence directly contributes to thermoregulatory calming [18–22].
Relevant axes of intervention include:
When the gut–brain axis becomes more coherent, signals transmitted to the hypothalamus gain clarity and stability.
One of the most important concepts to integrate is physiological temporality. Thermoregulation does not correct abruptly; it is retrained progressively as biological signals become more coherent.
The first improvements are often qualitative:
A clear reduction in frequency usually follows later. This progression is not failure; it reflects genuine biological adaptation [36,37].
The levers that truly influence hot flushes are neither spectacular nor instantaneous. They rely on progressive restoration of biological coherence: less inflammatory noise, greater energetic stability, a more flexible autonomic nervous system, better-nourished cells and a less disruptive gut.
Within a Cellular Nutrition® approach, each lever acts as a fine adjustment. It is the cumulative effect of these adjustments over time that allows thermoregulation to return to what it was never meant to cease being: a silent, stable and adaptive function.
Achieving durable relief from hot flushes does not involve acting on a single mechanism or seeking a rapid solution aimed solely at suppressing symptoms. Thermoregulation is an integrative function, situated at the intersection of multiple biological axes: hormonal, inflammatory, metabolic, autonomic, circadian and energetic. When coherence between these axes is lost, the hypothalamic centre becomes hypersensitive and vasomotor responses are triggered inappropriately.
Within a Cellular Nutrition® framework, the global strategy rests on a fundamental principle: making biological signals more readable, more stable and better tolerated by both cells and brain. Hot flushes are not fought head-on; they gradually fade as the terrain reorganises.
Fragmented approaches — exclusively hormonal, exclusively dietary or exclusively behavioural — largely explain the variability of observed outcomes. They may improve one parameter while leaving others unbalanced.
Yet the hypothalamic thermoregulatory centre simultaneously integrates:
A global strategy therefore aims to reduce contradictions between these signals, lowering the likelihood of disproportionate emergency responses.
In many symptomatic women, the hypothalamus operates in a state of heightened alert. This hypervigilance is not psychological; it is biological. It results from an internal environment perceived as unstable or threatening (inflammation, energetic stress, sleep debt).
The primary objective of the global strategy is therefore to lower this central alert level by:
When the brain perceives a more predictable internal environment, it gradually raises the threshold for triggering thermal responses.
The thermoneutral zone is not fixed. Physiological data suggest that it can widen again when biological conditions improve. This process is slow, progressive and cumulative.
Retraining the thermal threshold relies on:
Each improvement in the terrain slightly expands the tolerance zone, reducing the frequency and intensity of vasomotor responses.
A common mistake is attempting to act simultaneously on all levers, creating informational and physiological overload. An effective strategy relies on prioritisation by identifying dominant axes of imbalance.
In some women, inflammation is central; in others, glycaemic instability, autonomic stress or sleep debt predominates. Cellular Nutrition® favours a sequential approach:
This progression enables durable improvement without exhausting the organism.
Temporality is a frequently misunderstood factor. Hot flushes rarely appear abruptly; they emerge after months or years of progressive imbalance. Expecting immediate normalisation is therefore unrealistic.
In a coherent global strategy, observed stages typically include:
This gradual evolution reflects genuine physiological adaptation, not a transient or placebo effect.
Cellular Nutrition® does not aim to control the body, but to restore its capacity for self-regulation. This philosophy is central to managing hot flushes.
Rather than forcing a response (cooling, blocking, inhibiting), the strategy seeks to:
When these conditions are met, thermoregulation progressively ceases to be an active problem.
Hot flushes are not an isolated dysfunction, but the visible expression of lost biological coherence. Masking them without restoring coherence treats the signal while ignoring the terrain.
A global, integrative and prioritised strategy transforms the symptom into a useful indicator, guiding necessary adjustments. In this perspective, thermoregulation is no longer a function to fear or endure, but one that gradually regains its silent stability.
Although the mechanisms underlying hot flushes are now relatively well described, their clinical expression remains highly heterogeneous. Two women with comparable levels of oestrogen deficiency may experience radically different symptom patterns: frequency, intensity, timing, nocturnal impact and response to interventions.
This variability is neither random nor inexplicable. It reflects dominant physiological profiles — priority imbalances that shape how the organism interprets and amplifies thermal signals.
The purpose of this synthesis is twofold:
– to avoid ineffective generic strategies,
– to enable rational prioritisation of levers without overload or dispersion.
Within a Cellular Nutrition® framework, the key question is not “which levers exist?”, but “which lever is dominant in this woman, at this moment?”
Acting simultaneously on all axes — inflammation, diet, sleep, stress, digestion, physical activity — may paradoxically slow improvement by increasing adaptive load. Conversely, targeting the dominant imbalance often generates a cascade of systemic effects.
This prioritisation is based on a combined analysis of:
Typical clinical picture
Frequent, diffuse and poorly predictable hot flushes, often associated with chronic fatigue, diffuse pain, morning stiffness, digestive or skin complaints.
Physiological interpretation
Baseline inflammatory noise lowers the thermoregulatory threshold and amplifies hypothalamic reactivity. The hot flush becomes an exaggerated response to an internal environment perceived as unstable.
Strategic priorities
Functional objective
Progressively desensitise the thermoregulatory centre by reducing background noise.
Typical clinical picture
Hot flushes occurring after meals, in late afternoon or during the second half of the night, often associated with palpitations, cravings, energy crashes or nocturnal awakenings.
Physiological interpretation
Rapid glycaemic fluctuations trigger stress responses (adrenaline, cortisol), altering vasomotor tone and lowering thermal tolerance.
Strategic priorities
Functional objective
Render energetic signals more predictable in order to reduce emergency triggering.
Typical clinical picture
Hot flushes highly reactive to emotions, mental load or minor stressors, often unpredictable, associated with anxiety, bodily tension and fragile sleep.
Physiological interpretation
The autonomic nervous system is oriented towards alert, with sympathetic dominance and poor parasympathetic flexibility. Thermoregulation becomes a survival response.
Strategic priorities
Functional objective
Restore autonomic flexibility to allow graded, non-explosive responses.
Typical clinical picture
Fluctuating, sometimes cyclical hot flushes, associated with other hormonal symptoms (residual PMS, mood swings, migraines, cycle irregularities in peri-menopause).
Physiological interpretation
Oestrogen fluctuations act as the primary trigger, but their impact is strongly modulated by inflammatory, metabolic and autonomic terrain.
Strategic priorities
Functional objective
Improve tolerance to hormonal fluctuations rather than attempting to suppress them at all costs.
Typical clinical picture
Hot flushes associated with disproportionate exhaustion, poor tolerance to effort or stress, and slow recovery after episodes.
Physiological interpretation
Cells lack energetic reserve. Any internal variation is perceived as a major stress, triggering excessive thermal responses.
Strategic priorities
Functional objective
Increase overall adaptive margin so the organism can absorb variation without entering emergency mode.
It is common for an individual to present with overlapping profiles. However, one axis almost always dominates at a given time. As this lever is corrected, another may emerge as the new priority.
This dynamic explains why an effective strategy is never fixed. It evolves over time as the terrain changes and thermoregulation stabilises.
The complexity of hot flushes should not lead to therapeutic paralysis. When structured, complexity becomes guidance. Identifying the dominant profile transforms a seemingly chaotic symptom into a signal that directs action.
Within the Cellular Nutrition® approach, prioritisation of levers is not an oversimplification; it is a precision strategy, respectful of physiology and biological temporality.
A protocol centred on OPTIMAL, OIL, MOON, HARMONY and VEIN
This protocol is part of a functional, integrative and prioritised approach to thermoregulation. It does not aim to artificially suppress hot flushes, nor to deliver a purely symptomatic response, but to progressively restore the coherence of biological signals that determine the central thermoregulatory threshold.
It is compatible with medical follow-up (menopausal hormone therapy or non-hormonal alternatives when indicated) and does not replace it. It is based on a targeted selection of Cellular Nutrition® supplements from METHODE ESPINASSE, each addressing a key physiological axis.
Physiological objectives
Central role in thermoregulation
Stable thermoregulation requires cells capable of absorbing internal variation without triggering emergency responses. OPTIMAL acts precisely on this adaptive margin, often reduced in women experiencing hot flushes, chronic fatigue or poor stress tolerance.
Functional composition (cellular logic)
Specific relevance for hot flushes
OPTIMAL reduces the likelihood that a minor variation (glycaemia, emotion, heat) will be interpreted as a threat. It raises the cellular tolerance threshold — a prerequisite for any stabilisation of thermoregulation.
Central role in thermoregulation
Hormonal fluctuations alone do not trigger hot flushes; they amplify them when embedded in an inflammatory and membrane-fragile terrain. OIL acts at this intermediate level.
Functional composition
Evening primrose oil, highly concentrated in gamma-linolenic acid (GLA)
→ precursor of prostaglandins of the PGE1 series
Key biological mechanisms
Specific relevance for hot flushes
OIL functions as a signal stabiliser: it reduces inflammatory and membrane-related contributions that lower the thermoregulatory threshold, without artificially interfering with hormone levels.
Physiological objectives
Central role in thermoregulation
Sleep is one of the major regulators of the thermal threshold. Unstable thermoregulation is almost invariably associated with fragmented sleep.
Functional composition
Key physiological effects
Specific relevance for hot flushes
By restoring more stable sleep, MOON directly contributes to raising the nocturnal thermoregulatory threshold — often the most fragile.
Central role in thermoregulation
Hot flushes are not linked to an isolated hormonal deficiency, but to central hormonal desynchronisation. HARMONY acts on this coherence.
Functional composition
Biological mechanisms
Specific relevance for hot flushes
HARMONY does not “correct” a hormone level; it stabilises central interpretation of hormonal signals, reducing hypothalamic instability.
Central role in thermoregulation
Venous and lymphatic congestion acts as a peripheral amplifier of thermal responses.
Functional composition
Physiological effects
Specific relevance for hot flushes
VEIN reduces the peripheral circulatory and thermal overload that is often overlooked but clinically contributory.
Objectives
Consolidation logic
Chapter Conclusion
This protocol centred on N°0 OPTIMAL, N°5 OIL, N°7 MOON, N°9 HARMONY and N°10 VEIN constitutes a coherent Cellular Nutrition® strategy aimed at restoring physiological thermoregulation through reduction of biological noise, stabilisation of central signals and expansion of cellular adaptive margin.
When these conditions are met, thermoregulation ceases to be noisy. It returns to what it is biologically meant to be: silent, stable and adaptive.
Hot flushes are often trivialised, viewed as an inevitable part of peri-menopause or menopause. This trivialisation is one of the main drivers of therapeutic wandering, frustration and inappropriate responses. Conversely, excessive medicalisation — based on poorly prioritised investigations or inadequately contextualised treatments — may also lead to disappointing outcomes.
The purpose of this chapter is to propose a balanced, rational and operational framework: knowing when to consult, what to assess, and how to integrate a Cellular Nutrition® strategy with medical care, without role confusion or conflicting objectives.
Not all hot flushes warrant the same level of medical concern. Certain situations clearly require more than a functional approach alone.
Medical consultation is essential when hot flushes:
In such contexts, hot flushes are no longer purely functional symptoms; they become clinical signals requiring structured evaluation.
One of the most frequent errors is reducing evaluation to an isolated oestrogen measurement. Biologically, this approach is insufficient.
Two women with similar oestrogen levels may present:
Longitudinal data clearly show that vasomotor symptom severity depends largely on axes other than hormonal status alone: inflammation, autonomic stress, energetic metabolism, sleep quality and digestive terrain.
Oestrogens matter — but never in isolation.
The aim of assessment is not to multiply tests, but to prioritise actionable levers. Within a Cellular Nutrition® framework, five axes deserve particular attention.
Inflammatory axis
Low-grade inflammation lowers the thermoregulatory threshold and favours exaggerated hypothalamic responses.
Metabolic and glycaemic axis
Flushes occurring after meals or at night with palpitations often point to energetic instability.
Autonomic and stress axis
Sympathetic dominance and poor parasympathetic flexibility favour abrupt vasomotor responses.
Sleep and circadian axis
Sleep is a central regulator of thermoregulation. Fragmentation sustains inflammation and central hypersensitivity.
Digestive and microbiota axis
The gut influences inflammation, hormone metabolism, neurotransmission and stress tolerance.
In some cases, medical treatment — hormonal or non-hormonal — is not only legitimate but advisable.
This applies particularly to:
When indicated, menopausal hormone therapy, appropriately prescribed and monitored, can be highly effective for vasomotor symptoms. It does not oppose Cellular Nutrition®; it integrates with it.
Opposing approaches is a mistake. Cellular Nutrition® does not aim to replace medical treatment when indicated, but to:
In practice, this integration often leads to greater stability of symptoms and improved global well-being beyond vasomotor control alone.
Conversely, excessive medicalisation of moderate symptoms without major impact may generate unnecessary anxiety, poor tolerance or loss of confidence in physiological approaches.
Cellular Nutrition® recalls a fundamental principle:
not every biological variation is a pathology, but every persistent variation deserves understanding.
Hot flushes are neither anecdotal nor merely hormonal inconveniences. They reflect a functional dysregulation of thermoregulation — central, integrative and multifactorial in nature. Reducing them to “overheating” or isolated oestrogen deficiency inevitably leads to partial and often disappointing responses.
This article proposes a shift in perspective: from endured vasomotor symptom to interpreted biological signal.
Hot flushes are neither a fate nor a failure to be endured. They are a biological signal calling for a global, physiologically grounded reading that respects both complexity and temporality.
When the struggle against the symptom is replaced by restoration of signal coherence, thermoregulation gradually recovers what it was never meant to lose: its silent stability.
[1] Bansal R., Aggarwal N.
Menopausal Hot Flashes: A Concise Review.
PMC
https://pmc.ncbi.nlm.nih.gov/articles/PMC6459071/
[2] Kronenberg F.
Hot flashes: epidemiology and physiology.
Annals of the New York Academy of Sciences
https://pubmed.ncbi.nlm.nih.gov/10790620/
[3] Freedman R.R.
Menopausal hot flashes: mechanisms, endocrinology, treatment.
Endocrine Reviews
https://pubmed.ncbi.nlm.nih.gov/24012626/
[4] Freedman R.R.
Physiology of hot flashes.
American Journal of Human Biology
https://pubmed.ncbi.nlm.nih.gov/20432379/
[5] Freedman R.R., Krell W.
Reduced thermoregulatory null zone in postmenopausal women with hot flashes.
American Journal of Obstetrics and Gynecology
https://pubmed.ncbi.nlm.nih.gov/8459960/
[6] Romanovsky A.A.
Thermoregulation: some concepts have changed.
Functional architecture of the thermoregulatory system.
American Journal of Physiology – Regulatory, Integrative and Comparative Physiology
https://pubmed.ncbi.nlm.nih.gov/17307202/
[7] Zhang Z. et al.
The Effects of Estrogens on Neural Circuits That Control Thermoregulation.
PMC
https://pmc.ncbi.nlm.nih.gov/articles/PMC5444618/
[8] Rance N.E.
A novel hypothesis on the mechanism of hot flushes.
Menopause
https://pubmed.ncbi.nlm.nih.gov/23872331/
[9] Mittelman-Smith M.A. et al.
KNDy neurons and the regulation of reproductive neuroendocrine function.
Endocrinology
https://pubmed.ncbi.nlm.nih.gov/25249483/
[10] Padilla S.L. et al.
A Neural Circuit Underlying the Generation of Hot Flushes.
PMC
https://pmc.ncbi.nlm.nih.gov/articles/PMC6094949/
[11] Skorupskaite K. et al.
Neurokinin B and reproductive function.
Human Reproduction Update
https://pubmed.ncbi.nlm.nih.gov/29190352/
[12] Fraser G.L. et al.
Efficacy of neurokinin-3 receptor antagonism in menopausal hot flushes.
The Lancet
https://pubmed.ncbi.nlm.nih.gov/31521613/
[13] Lederman S. et al.
Fezolinetant for treatment of moderate-to-severe vasomotor symptoms.
New England Journal of Medicine
https://pubmed.ncbi.nlm.nih.gov/36924778/
[14]
Neurokinin-3 Receptor Antagonism for Refractory Hot Flashes.
New England Journal of Medicine – Correspondence
https://www.nejm.org/doi/full/10.1056/NEJMc2412361
[15] Furman D. et al.
Chronic inflammation in the etiology of disease across the life span.
Nature Medicine
https://www.nature.com/articles/s41591-019-0675-0
[16] Hotamisligil G.S.
Inflammation, metaflammation and immunometabolic disorders.
Nature
https://pubmed.ncbi.nlm.nih.gov/29483690/
[17] Nathan C., Ding A.
Nonresolving inflammation.
Cell
https://pubmed.ncbi.nlm.nih.gov/21078479/
[18] Cryer P.E.
Hypoglycemia-associated autonomic failure.
New England Journal of Medicine
https://pubmed.ncbi.nlm.nih.gov/15745983/
[19] Ludwig D.S.
The glycemic index: physiological mechanisms.
Journal of Nutrition
https://pubmed.ncbi.nlm.nih.gov/15173406/
[20] Kräuchi K.
The human sleep–wake cycle reconsidered from a thermoregulatory point of view.
Physiology & Behavior
https://pubmed.ncbi.nlm.nih.gov/20036836/
[21] Harding E.C. et al.
Sleep and thermoregulation.
Current Opinion in Physiology
https://www.sciencedirect.com/science/article/pii/S2468867319301804
[22] Van Someren E.J.W.
Circadian and sleep disturbances in aging.
Sleep Medicine Reviews
https://pubmed.ncbi.nlm.nih.gov/17055742/
[23] Freedman R.R. et al.
Heart rate variability during menopausal hot flashes.
PMC
https://pmc.ncbi.nlm.nih.gov/articles/PMC3181047/
[24] Martinelli P.M. et al.
Heart rate variability helps distinguish intensity of menopausal symptoms.
PLOS ONE
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0225866
[25] Thayer J.F., Lane R.D.
A model of neurovisceral integration.
Biological Psychology
https://pubmed.ncbi.nlm.nih.gov/15598517/
[26] Peters B.A. et al.
The menopause transition and the gut microbiome.
PMC
https://pmc.ncbi.nlm.nih.gov/articles/PMC9379122/
[27] Pavlovska O.M., Pavlovska K.M.
Vasomotor menopausal disorders and the microbiota–gut–brain axis.
PMC
https://pmc.ncbi.nlm.nih.gov/articles/PMC8999096/
[28] Kwa M. et al.
The intestinal microbiome and estrogen receptor–positive breast cancer.
Journal of the National Cancer Institute
https://pubmed.ncbi.nlm.nih.gov/24463103/
[29] Hu S. et al.
Gut microbial beta-glucuronidase and estrogen metabolism.
Gut Microbes
https://www.tandfonline.com/doi/full/10.1080/19490976.2023.2236749
[30] Shihab S. et al.
Alcohol use at midlife and menopause.
Maturitas
https://www.sciencedirect.com/science/article/abs/pii/S0378512224001877
[31] Kwon R. et al.
Alcohol consumption patterns and risk of early-onset vasomotor symptoms.
PMC
https://pmc.ncbi.nlm.nih.gov/articles/PMC9182895/
[32] Faubion S.S. et al.
Caffeine and menopausal symptoms.
Menopause
https://pubmed.ncbi.nlm.nih.gov/25051286/
[33] Avis N.E. et al.
Duration of menopausal vasomotor symptoms over the menopause transition.
PMC
https://pmc.ncbi.nlm.nih.gov/articles/PMC4433164/
[34] Avis N.E. et al.
Duration of menopausal vasomotor symptoms.
JAMA Internal Medicine
https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2110996
[35] Thurston R.C. et al.
Vasomotor symptoms and menopause: findings from the SWAN study.
PMC
https://pmc.ncbi.nlm.nih.gov/articles/PMC3185243/
[36] Inserm
Menopause – Overview.
https://www.inserm.fr/dossier/menopause/
[37] NIH / National Library of Medicine
Menopausal Hot Flashes.
https://www.ncbi.nlm.nih.gov/books/NBK507826/