Your muscles secrete anti-aging hormones (they revolutionize your longevity)

By the AEONUM team | Reviewed with scientific evidence

Dr. Bente Pedersen from the University of Copenhagen discovered in 2007 that skeletal muscle produces and secretes more than 600 different bioactive proteins during contraction. This revolutionary finding forever changed our understanding of muscle tissue, transforming it from a simple mechanical force generator into a sophisticated endocrine gland capable of directly influencing aging and longevity.

For decades, traditional medicine had catalogued muscle as passive structural tissue, designed solely for movement and posture. However, Pedersen's team discoveries revealed a much more fascinating reality: each muscle contraction triggers a complex hormonal cascade that acts as a natural anti-aging elixir, secreted directly from your muscle fibers into the bloodstream.

This scientific revolution has completely redefined the concept of therapeutic exercise. We no longer speak simply of "burning calories" or "toning muscles," but of deliberately activating an endogenous pharmacy that produces the most potent molecules known to science for combating chronic inflammation, optimizing brain metabolism and reversing biological markers of aging.

The implications are profound: your muscle mass not only determines your physical strength, but functions as the primary predictor of your capacity to produce longevity hormones. Each kilogram of functional muscle represents billions of molecular microfactories waiting to be activated through the correct stimulus.

Muscle as a hidden hormonal factory

Beyond strength: your muscle as an endocrine gland

The traditional paradigm of skeletal muscle as "passive tissue" completely collapsed when researchers began analyzing the muscle secretome during exercise. What they discovered was extraordinary: contracting muscle produces and releases a molecular library of more than 600 unique bioactive proteins, collectively termed "myokines."

These myokines represent a completely new system of interorgan communication. Unlike traditional hormones such as insulin or cortisol, which are produced in specific glands and have well-defined receptors, myokines act as pleiotropic messengers capable of simultaneously influencing multiple physiological systems.

The fundamental difference lies in their mechano-transduced origin. While classic hormones like leptin or ghrelin respond primarily to chemical or nutritional stimuli, myokines require direct mechanical stimulation through muscle contraction. This unique characteristic makes them the molecular bridge between physical exercise and systemic longevity.

Strength exercise activates specific molecular cascades that differ radically from traditional cardio. During high-intensity contractions, type II muscle fibers experience micro-disruptions in their sarcolemma that trigger immediate release of growth factors and anti-inflammatory myokines. This process, known as mechanical hormesis, generates adaptations that go far beyond visible muscle hypertrophy.

The density of myokine receptors varies significantly between different muscle fiber types. Fast-twitch fibers (type IIx) contain approximately 40% more receptors for IL-6 and BDNF compared to slow-twitch fibers, explaining why strength training produces more pronounced anti-aging effects than low-intensity cardio.

Studies by Pedersen & Febbraio (2012) in Nature Reviews demonstrated that myokine release follows specific temporal patterns, with plasma concentration peaks occurring between 15-30 minutes post-exercise. This critical window represents the optimal moment to maximize tissue absorption and systemic effects of these anti-aging hormones.

The three master myokines of longevity

Among the more than 600 identified myokines, three emerge as master regulators of longevity: IL-6, irisin and muscle BDNF. Each operates through unique but synergistic mechanisms that completely redefine our understanding of healthy aging.

IL-6 represents the most fascinating paradox in exercise medicine. Traditionally known as a proinflammatory cytokine associated with aging and disease, muscle-derived IL-6 during exercise acts in a completely opposite manner, functioning as a potent anti-inflammatory molecule. This seemingly contradictory duality is explained by fundamental differences in receptors and activated signaling pathways.

The "good" IL-6 produced during muscle contraction binds preferentially to classic membrane IL-6R receptors, activating JAK-STAT3 pathways that promote production of anti-inflammatory cytokines like IL-10 and IL-1ra. In contrast, the "bad" IL-6 associated with chronic inflammation primarily uses trans signaling through soluble IL-6R, activating proinflammatory NF-κB cascades.

Irisin, discovered by Bruce Spiegelman's team at Harvard, functions as a revolutionary molecular bridge between muscle and brain metabolism. During muscle contraction, the precursor protein FNDC5 is proteolytically cleaved to generate mature irisin, which possesses the unique ability to cross the blood-brain barrier and directly activate neuronal BDNF production.

Studies by Boström et al. (2012) in Nature revealed that irisin can increase basal energy expenditure by up to 20% through activation of UCP1 uncoupling proteins in beige adipose tissue. This process, known as "browning" of adipose tissue, effectively converts storage fat into active thermogenic tissue.

Muscle-derived BDNF represents perhaps the most revolutionary discovery in exercise neuroscience. Unlike brain BDNF, which acts locally at specific synapses, muscle BDNF can travel systemically and influence global neuroplasticity, memory formation and protection against neurodegeneration.

Why AEONUM measures your muscle mass with millimeter precision

The direct connection between body composition and myokine secretion potential makes precise muscle mass analysis fundamental for optimizing longevity. AEONUM uses multimodal artificial intelligence from Gemini to analyze body composition from photographs with precision comparable to DEXA, but with the advantage of being able to perform it daily from home.

This revolutionary technology not only measures total muscle mass, but distinguishes between metabolically active muscle and functionally compromised muscle. The difference is crucial: only muscle with high mitochondrial density and optimal contractile capacity can produce myokines in therapeutic concentrations.

AEONUM's AI analysis correlates specific visual patterns in images with functional markers of muscle quality. Subtle variations in definition, vascularization and bilateral symmetry provide valuable information about the secretory potential of each individual muscle group.

The correlation between lean mass and longevity has been consistently established in massive epidemiological studies. Individuals in the upper quartile of relative muscle mass show a 40% reduction in all-cause mortality compared to those in the lower quartile, independent of other traditional cardiovascular risk factors.

AEONUM's system integrates these measurements with intelligent periodization algorithms that automatically adjust body composition goals based on individual circadian rhythm habits and recovery capacity. This personalization allows optimizing not only quantity, but functional quality of muscle tissue for maximum anti-aging myokine production.

IL-6: the paradoxical myokine that confuses medicine

Two faces of the same molecule

IL-6 represents one of the most counterintuitive discoveries in aging science. This molecule, traditionally catalogued as a pathological inflammation marker and risk factor for age-related diseases, transforms into a potent anti-aging hormone when secreted by muscle during exercise.

The paradox is resolved by understanding that there are two completely different signaling pathways for IL-6. "Classic" signaling occurs when IL-6 binds to membrane IL-6R receptors constitutively expressed in hepatocytes, myocytes and immune cells. This pathway activates JAK-STAT3 cascades that promote tissue regeneration, insulin sensitivity and anti-inflammatory cytokine production.

In contrast, the problematic "trans" signaling occurs when IL-6 binds to soluble receptor forms (sIL-6R) present in plasma during chronic inflammatory states. This alternative pathway can activate virtually any cell type and tends to perpetuate deleterious inflammatory cascades through NF-κB.

Release timing is absolutely critical. Muscle-derived IL-6 during acute exercise shows very specific release kinetics: increases 100-fold within the first 30 minutes post-exercise, peaks at 2-3 hours, and returns to basal levels in 24 hours. This pulsatile and self-regulated release is completely different from the sustained chronic elevation associated with pathology.

Studies by Petersen & Pedersen (2005) in Applied Physiology demonstrated that exercise-induced IL-6 directly activates lipolysis in visceral adipose tissue through hormone-sensitive lipase activation. This effect is independent of catecholamines and can persist up to 48 hours after a single strength training session.

The critical time window of the first 30 minutes post-exercise represents the moment of maximum tissue sensitivity to IL-6. During this period, IL-6R receptors in liver and skeletal muscle show increased affinity, while production of inhibitory binding proteins like SOCS3 remains suppressed.

The muscle metabolic switch

Muscle-derived IL-6 functions as a master metabolic switch capable of instantly reconfiguring energy metabolism of multiple tissues. Its main mechanism of action involves direct activation of AMPK (AMP-activated protein kinase), the most important cellular energy sensor known to science.

When IL-6 binds to IL-6R receptors in skeletal muscle, it triggers a phosphorylation cascade that activates AMPK within minutes. This activation produces immediate metabolic effects: increased glucose uptake independent of insulin, activation of fatty acid oxidation, and suppression of anabolic protein synthesis to conserve energy for repair processes.

The improvement in insulin sensitivity mediated by IL-6 operates through multiple synergistic mechanisms. At the muscle level, it promotes translocation of GLUT4 transporters to the plasma membrane and increases glycogen synthase activity. Systemically, it improves pancreatic beta cell function and reduces inappropriate hepatic gluconeogenesis.

Effects on hepatic function are particularly important for longevity. Exercise-induced IL-6 activates STAT3 transcription factors in hepatocytes, promoting expression of enzymes involved in adaptive gluconeogenesis during fasting, but suppressing inappropriate glucose production in the fed state.

The connection with the autonomic nervous system adds another layer of sophistication. Muscle-derived IL-6 can directly activate the vagus nerve through IL-6R receptors expressed in afferent terminals, initiating anti-inflammatory reflexes that modulate splenic immune function and reduce systemic TNF-α production.

Chronobiological synchronization of inflammatory response

Optimizing IL-6 response requires considering intrinsic circadian rhythms that modulate receptor sensitivity and clearance kinetics. AEONUM's 6 personalized chronobiological windows leverage these natural patterns to maximize anti-inflammatory effects while minimizing residual inflammatory potential.

IL-6 sensitivity shows pronounced circadian variations, with responsiveness peaks occurring approximately 4-6 hours after awakening and again 10-12 hours post-awakening. These patterns reflect natural oscillations in IL-6R receptor expression and intracellular signaling proteins regulated by clock genes like CLOCK and BMAL1.

The optimal training timing to maximize anti-inflammatory IL-6 release occurs during the natural morning cortisol elevation phase. This synchronization leverages the synergistic interaction between endogenous cortisol and exercise-induced IL-6 to optimize insulin sensitivity and fatty acid mobilization.

The interaction with endogenous melatonin adds additional complexity. Melatonin can potentiate anti-inflammatory effects of IL-6 when both molecules are present simultaneously, but can antagonize IL-6 signaling if exercise is performed during periods of elevated melatonin secretion (typically after 9 PM).

AEONUM's algorithms analyze individual patterns of cortisol, melatonin and body temperature through the daily check-in of 9 metrics to determine optimal training windows specific for each user. This personalization can increase anti-inflammatory IL-6 response by up to 60% compared to generic exercise protocols.

Irisin: the messenger that hacks your brain metabolism

From muscle to neurons: the molecular highway

Irisin represents one of the most revolutionary discoveries in molecular neuroscience of the last decade. This myokine, initially identified in Bruce Spiegelman's laboratory at Harvard, possesses the extraordinary ability to establish direct communication between skeletal muscle and central nervous system, creating a molecular highway that completely redefines our understanding of the cognitive benefits of exercise.

The process of irisin generation begins with increased expression of FNDC5 (fibronectin type III domain-containing protein 5) in response to intense muscle contraction. This precursor protein, anchored to the endoplasmic reticulum membrane, is processed by specific proteases during mechanical stress, releasing the bioactive N-terminal fragment that constitutes mature irisin.

Irisin's unique ability to cross the blood-brain barrier distinguishes it from virtually all other known myokines. This property is due to its specific three-dimensional structure that allows it to interact with selective transporters expressed in brain endothelial cells, particularly the LAT1 transporter responsible for aromatic amino acid transport.

Once in the central nervous system, irisin directly activates neuronal BDNF expression through mechanisms involving activation of the cAMP response element (CREB) and specific transcription factors like neural PGC-1α. This activation not only increases available BDNF levels, but also improves its processing from pro-BDNF form to functional mature BDNF.

Differences in irisin release according to exercise type are profound. High-intensity strength training can increase circulating irisin levels up to 5-fold compared to moderate-intensity aerobic exercise. This difference is due to irisin release requiring activation of specific mechano-sensitive signaling pathways that respond preferentially to elevated muscle tension.

Studies by Wrann et al. (2013) in Cell Metabolism demonstrated that administration of recombinant irisin to sedentary mice reproduces many of the cognitive benefits of exercise, including improvement in spatial memory, increased hippocampal neurogenesis and protection against age-related cognitive decline.

The reprogrammable metabolic thermostat

Beyond its neurological effects, irisin functions as a systemic metabolic reprogrammer capable of fundamentally transforming bodily energy efficiency. Its main mechanism of action involves activating the process known as "browning" of white adipose tissue, effectively converting passive storage fat into metabolically active thermogenic tissue.

The browning process mediated by irisin occurs through direct activation of UCP1 uncoupling proteins in adipocyte mitochondria. When irisin binds to specific receptors on the surface of fat cells, it triggers signaling cascades that promote gene expression of UCP1, PGC-1α and other regulators of mitochondrial biogenesis.

UCP1 activation allows mitochondria to "uncouple" ATP production from substrate oxidation, releasing energy directly as heat instead of storing it as high-energy phosphate bonds. This process can increase basal energy expenditure by up to 20% without requiring additional muscle activity.

Effects on mitochondrial efficiency go beyond simple increases in thermogenesis. Irisin promotes mitochondrial biogenesis through PGC-1α activation, resulting in increases in mitochondrial density, respiratory capacity and oxidative stress resistance. These adaptations directly contribute to longevity through mitochondrial hormesis mechanisms.

AEONUM dynamically monitors irisin's metabolic effects through its personalized basal metabolism calculation system that continuously adjusts TDEE estimates based on changes in body composition and metabolic efficiency. This real-time feedback allows optimization of exercise protocols to maximize irisin release.

Intelligent periodization to maximize irisin

Optimizing irisin release requires specifically designed training protocols that consider both intensity and temporal patterns of muscle stimulation. Studies have shown that maximum release occurs when intense eccentric contractions are combined with specific rest periods that allow reaccumulation of FNDC5 precursors.

The most effective protocols involve strength training with loads of 75-85% of 1RM performed in blocks of 3-5 repetitions followed by 2-3 minute rest periods. This periodization allows maximum activation of mechano-transduction pathways while maintaining contraction quality necessary for optimal FNDC5 processing.

Integration with AEONUM's periodized BMR/TDEE system allows automatic adjustments in caloric intake that complement increased irisin release. During high irisin production phases, the algorithm can recommend slight increases in healthy fat intake to provide substrate for maximized adipose browning.

Feeding windows that potentiate irisin effects involve specific macronutrient timing around exercise. High-quality protein consumption within 30 minutes post-exercise provides essential amino acids for FNDC5 synthesis, while strategic intermittent fasting can sensitize adipose tissues to irisin's browning effects.

Real-time monitoring of metabolic adaptations through AEONUM's AI body composition technology allows fine adjustments in training protocols based on individual irisin response. Users showing accelerated adipose browning may benefit from increased training frequencies, while slow responders may require modifications in exercise intensity or modality.

Muscle BDNF: the neuronal youth elixir you produce yourself

The neurotrophin born in your muscles

Brain-derived neurotrophic factor (BDNF) produced in skeletal muscle represents one of the most fascinating mechanisms by which physical exercise exerts neuroprotective and cognitive effects. Unlike BDNF synthesized locally in neurons, muscle-derived BDNF can travel systemically and exert global neurotrophic effects that transcend traditional anatomical limitations of neural signaling.

Muscle BDNF production is specifically activated during high-intensity contractions through calcium-dependent signaling pathways. When intracellular calcium levels rise during contraction, transcription factors like CREB and NFATc1 are activated and bind directly to BDNF gene promoter regions, initiating its transcription.

Differences between brain and muscle BDNF are subtle but functionally important. Muscle BDNF tends to be secreted as pro-BDNF, which requires proteolytic processing by specific metalloproteases to convert to mature BDNF. This processing can occur both locally in muscle and after systemic release, providing multiple regulation points.

Anterograde transport mechanisms toward the central nervous system involve both passive diffusion through the blood-brain barrier and active receptor-mediated transport. Muscle BDNF can bind to TrkB receptors expressed in brain endothelial cells, facilitating its transcytosis toward brain parenchyma.

Activation of TrkB receptors by muscle-derived BDNF triggers neuronal survival cascades that include activation of PI3K/Akt, MAPK/ERK and PLCγ. These pathways promote neuronal survival, dendritic growth, synaptic formation and long-term plasticity necessary for learning and memory.

Response specificity according to activated muscle groups adds an additional dimension of complexity. Studies have shown that lower extremity training tends to produce greater BDNF release compared to upper extremities, possibly due to differences in total muscle mass recruited and intensity of motor unit activation.

Neuroplasticity and memory through movement

Muscle BDNF effects on neuroplasticity go far beyond simple neurotrophic effects. This molecule acts as a molecular conductor orchestrating structural and functional changes in neural circuits that sustain higher cognitive capacities, including working memory, executive function and complex information processing.

BDNF-induced synapse formation involves coordinated regulation of pre and postsynaptic proteins. In presynaptic terminals, BDNF increases expression of synapsins and synaptophysin, improving neurotransmitter release efficiency. Postsynaptically, it promotes AMPA and NMDA receptor clustering, increasing sensitivity to glutamatergic signals.

The BDNF-mediated synaptic pruning process is equally important for neural circuit optimization. Through activation of specific signaling cascades, muscle BDNF can promote selective elimination of weak or functionally irrelevant synapses, while strengthening frequently used synaptic connections.

Effects on long-term memory operate through multiple temporal mechanisms. Acutely, muscle BDNF can facilitate long-term potentiation (LTP) in hippocampus through NMDA receptor phosphorylation and activation of calcium-dependent protein kinases. Chronically, it promotes synthesis of new proteins necessary for permanent memory consolidation.

Protection against age-related neurodegeneration represents perhaps the most important benefit of muscle BDNF for longevity. This molecule can directly antagonize pathological processes associated with Alzheimer's, Parkinson's and other neurodegenerative diseases through promotion of misfolded protein clearance, reduction of mitochondrial oxidative stress and maintenance of blood-brain barrier integrity.

Synchronization with sleep rhythms for maximum consolidation adds another layer of sophistication. Muscle BDNF released during diurnal exercise can interact synergistically with memory consolidation processes that occur during REM sleep, potentiating information transfer from working memory to long-term storage.

The brain biological age score in AEONUM

Integration of muscle BDNF production potential in AEONUM's biological age algorithms represents a unique innovation in neurological health assessment. The system analyzes body composition, muscle quality and exercise patterns to estimate individual capacity to generate endogenous neurotrophic factors.

AI body composition analysis can predict BDNF potential through evaluation of functional muscle mass in specific muscle groups. Muscles with greater mitochondrial density and oxidative capacity tend to produce more BDNF per unit mass, information reflected in subtle visual characteristics detectable by computer vision algorithms.

Integration with sleep and recovery metrics allows temporal optimization of exercise to maximize BDNF effects on memory consolidation and neuroplasticity. The system can recommend training timing adjustments based on individual sleep architecture patterns.

Machine learning algorithms continuously analyze individual responses to different exercise modalities to identify protocols that maximize BDNF release. This personalization can result in 40-60% increases in BDNF production compared to generic exercise protocols.

AEONUM's radar pentagon includes neurometabolic health as one of its five main axes, integrating muscle BDNF estimates with other brain function biomarkers to provide a comprehensive assessment of neurological biological age. This visualization allows users to directly monitor the impact of their exercise decisions on long-term brain health.

Strength as systemic anti-inflammatory medicine

Molecular mechanisms of strength-induced anti-inflammation

Strength training represents the most potent non-pharmacological anti-inflammatory intervention known to modern medical science. Its effects go far beyond simple "calorie burning," activating specific molecular cascades that can reverse decades of chronic low-grade inflammation associated with aging and metabolic disease.

The main mechanism involves direct inhibition of NF-κB, the master transcription factor that regulates inflammatory gene expression. During intense muscle contractions, specific kinases like IKKβ are activated that phosphorylate and degrade IκB inhibitory proteins, but paradoxically, this results in transient activation followed by prolonged suppression of NF-κB signaling.

This suppression occurs through multiple complementary mechanisms. First, strength exercise increases expression of inhibitory proteins like A20 and CYLD that actively deactivate NF-κB complex components. Second, it promotes activation of competitive anti-inflammatory pathways like STAT3 and Nrf2 that antagonize proinflammatory gene transcription.

The resulting reduction in chronic proinflammatory cytokines is dramatic and sustained. Individuals who regularly participate in strength training show 40-60% lower levels of TNF-α, IL-1β and C-reactive protein compared to sedentary controls, independent of changes in body weight or visceral fat.

Simultaneous activation of anti-inflammatory pathways represents the other side of this molecular equation. Strength exercise increases production of specialized pro-resolving molecules like resolvins and protectins, which actively terminate inflammatory responses and promote tissue resolution. These specialized lipid mediators can persist in circulation up to 72 hours post-exercise.

The impact on adaptive immune function is equally important. Regular strength training promotes development of regulatory T cells (Tregs) that suppress inappropriate autoimmune responses, while improving NK cell function responsible for tumor surveillance. This bidirectional immune modulation directly contributes to longevity through reduction in cancer and autoimmune disease risk.

Systemic effects transcend the immune system, positively influencing endothelial function, insulin sensitivity and lipid metabolism. Reduction in vascular inflammation improves endothelial function and reduces arterial stiffness, while suppression of inflammatory cytokines in adipose tissue improves insulin sensitivity and lipid metabolism.

Strength training as anti-inflammatory medicine requires careful periodization to maximize benefits while minimizing risk of inflammatory overtraining. Optimal protocols involve intensities of 70-85% of 1RM performed 3-4 times per week with adequate rest periods to allow complete anti-inflammatory adaptations.

AEONUM integrates these principles in its science-based exercise recommendations, using algorithms that consider individual inflammatory state, recovery capacity and specific longevity goals to optimize personalized anti-inflammatory training protocols.

Your muscle system represents the most sophisticated anti-aging pharmacy on the planet, continuously producing more than 600 bioactive molecules capable of reversing aging at the cellular level. Each strength training session activates this endogenous pharmacy, releasing anti-inflammatory IL-6, neuro-enhancing irisin and neuroprotective BDNF directly into your bloodstream.

The scientific revolution initiated by Dr. Pedersen has demonstrated that we are not passive victims of aging, but active architects of our longevity. Your skeletal muscle contains the genetic code to produce the most potent hormones known to anti-aging medicine - you only need to activate them through the correct stimulus.

AEONUM converts this revolutionary science into practical action, providing precise tools to measure, monitor and optimize your myokine production potential. From AI body composition analysis to intelligent chronobiological periodization, every feature is designed to maximize your endogenous capacity to secrete longevity hormones.

Begin your transformation toward muscle longevity today: aeonum.app

Scientific references

Pedersen BK, Febbraio MA. Muscles, exercise and obesity: skeletal muscle as a secretory organ. Nature Reviews Endocrinology. 2012;8(8):457-465.

Boström P, Wu J, Jedrychowski MP, et al. A PGC1-α-dependent myokine that drives brown-fat-like development of white fat and thermogenesis. Nature. 2012;481(7382):463-468.

Wrann CD, White JP, Salogiannnis J, et al. Exercise induces hippocampal BDNF through a PGC-1α/FNDC5 pathway. Cell Metabolism. 2013;18(5):649-659.

FAQ

How much strength exercise do I need to activate anti-aging myokine production?

Research shows that at least 2-3 weekly strength training sessions with intensities of 70-85% of your 1RM are needed to optimally activate production of myokines like IL-6, irisin and BDNF. Each session should include multi-joint exercises that recruit large muscle groups for 45-60 minutes. AEONUM personalizes these protocols based on your current body composition and individual recovery capacity.

Why is exercise IL-6 good but chronic inflammation IL-6 bad?

The difference lies in the type of receptors activated and release timing. IL-6 produced during exercise binds to classic membrane receptors (IL-6R) activating anti-inflammatory JAK-STAT3 pathways, while chronic inflammation IL-6 uses soluble receptors that activate proinflammatory NF-κB cascades. Additionally, exercise IL-6 is released in controlled pulses that return to basal levels in 24 hours, versus sustained chronic elevation in pathological states.

Can traditional cardio produce the same myokines as strength training?

Not with the same efficiency. Although cardiovascular exercise can increase some myokines, strength training produces 3-5 times higher concentrations of irisin and muscle BDNF due to requiring activation of specific mechano-transduction pathways. The high-intensity contractions necessary for optimal processing of precursors like FNDC5 are only achieved with significant loads of 70%+ of your maximum capacity.

How can I know if my muscle is producing enough anti-aging myokines?

AEONUM uses AI body composition analysis to evaluate functional muscle mass and tissue quality, correlating it with myokine production potential. Additionally, the system monitors indirect markers such as changes in basal metabolism (reflecting irisin effects), improvements in sleep and recovery metrics (indicating functional BDNF), and optimization of biological age calculated from 10 real physiological variables.

At what age should I start worrying about myokines and muscle loss?

Myokine production begins to decline after age 30 along with muscle mass loss (sarcopenia), which occurs at a rate of 3-8% per decade. However, it's never too late to start: individuals 70+ years can increase muscle BDNF production up to 200% with appropriate strength training. AEONUM adjusts protocols according to real biological age, not chronological, optimizing intensity and recovery to maximize anti-aging benefits without injury risk.

This article is informational and does not replace professional medical advice.

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