Browse the evidence

Physical exercise induces white adipose tissue browning through the secretion of myokines such as Irisin, FGF21, and Beta-Aminoisobutyric acid, which upregulate UCP1 and thermogenic genes.

Engage in regular physical exercise to trigger the release of myokines like Irisin and FGF21. These molecules signal your white fat to turn into metabolically active beige fat, increasing your energy expenditure and metabolic efficiency. The specific type of exercise is less important than consistency in triggering these hormonal responses.

Sarcopenia is associated with significantly reduced health-related quality of life (HRQoL) compared to non-sarcopenic individuals, with a large effect size observed when using disease-specific assessment tools.

If you are an older adult experiencing muscle loss, do not dismiss it as inevitable aging. This condition, known as sarcopenia, is linked to a significant drop in your quality of life and independence. Seek a diagnosis using standard criteria (like EWGSOP2) to ensure you receive appropriate interventions, as generic assessments might miss the severity of your condition.

Consuming fruits and vegetables rich in antioxidants (vitamins A, C, E, carotenoids, phenolic acids, flavonoids) helps prevent diseases associated with oxidative stress, including cardiovascular disease, cancer, and neurodegenerative disorders, by neutralizing free radicals and reducing oxidative stress.

Eat a variety of fruits and vegetables daily to get natural antioxidants. Focus on colorful produce like oranges, tomatoes, apples, and leafy greens, as they contain high levels of vitamins and polyphenols that help protect your body from cellular damage and reduce the risk of chronic diseases like heart disease and cancer.

Inositol supplementation shows the most promising findings for improving metabolic profiles and reducing hyperandrogenism in PCOS, whereas other supplements, herbal medicines, acupuncture, and yoga have inconsistent evidence.

If considering supplements, inositol has the most promising evidence for improving metabolic health and hormone levels in PCOS. However, evidence for other supplements, herbal medicines, acupuncture, and yoga is inconsistent. Do not rely on these as primary treatments; consult a healthcare provider before starting any supplement.

Multimodal physical interventions (e.g., Tai Chi, subsensory vibratory noise) restore physiological complexity and improve functional mobility in older adults.

Focus on activities that challenge your body's balance and coordination, like Tai Chi or using specific vibratory devices if recommended. These aren't just exercises; they help your nervous system maintain the 'complexity' needed to stay mobile and avoid falls as you age.

Supplementation with phenolic compounds (polyphenols) reduces oxidative stress and inflammation markers induced by severe physical exercise, but does not consistently improve physical performance outcomes.

If you engage in intense exercise, polyphenol supplementation (from foods like berries, tea, or chocolate) can help manage oxidative stress and inflammation. However, do not expect this to directly make you faster or stronger; the evidence for performance enhancement is inconsistent.

Lifestyle management, specifically focusing on healthy lifestyle, emotional wellbeing, and quality of life, is a foundational recommendation for the assessment and management of PCOS, with explicit attention to avoiding weight stigma.

For someone with PCOS, prioritize sustainable lifestyle habits that support your mental and physical health rather than chasing rapid weight loss. Work with your healthcare provider to create a plan that respects your body image and addresses emotional wellbeing, as this is a critical part of managing the syndrome's diverse burdens.

SARS-CoV-2 infection is associated with a significant reduction in exercise capacity (peak VO2), particularly in individuals with Long COVID symptoms, with mechanisms including deconditioning, dysfunctional breathing, chronotropic incompetence, and impaired peripheral oxygen extraction.

If you have Long COVID and feel exhausted by activity, standard 'push through it' advice may be harmful. Get a Cardiopulmonary Exercise Test (CPET) to identify if your limitation is due to deconditioning, heart rate issues (chronotropic incompetence), or breathing problems. Treatment should be tailored to the specific mechanism found, rather than generic exercise.

Chatbot interventions significantly improve sleep duration and quality, with multicomponent interventions (chatbot plus other tools) being more effective than chatbot-only interventions.

For better sleep, use a chatbot that integrates with a wearable device or allows you to log your sleep habits. This combined approach is more effective than using a chatbot alone.

Increasing adherence to plant-based dietary patterns over time is associated with a reduced risk of type 2 diabetes and a marginally lower risk of mortality.

Improving your diet to include more plant-based foods over time can lower your risk of type 2 diabetes and may slightly reduce your risk of death.

Probiotics (specifically Lactobacillus and Bifidobacterium strains) improve gastrointestinal health by modulating the immune system, enhancing epithelial barriers, and suppressing pathogen adhesion.

To support gut health, consider incorporating probiotic-rich foods or supplements containing Lactobacillus or Bifidobacterium strains. These microbes help maintain the gut barrier and support immune function. If you are immunocompromised, consult a doctor first to ensure the specific strain is safe for you.

Synbiotics (combining probiotics and prebiotics) improve the survival and efficacy of probiotics in the gastrointestinal tract compared to probiotics alone.

If you take probiotics, consider a synbiotic formulation that includes prebiotics (like oligosaccharides). This combination helps the probiotic bacteria survive stomach acid and colonize the gut more effectively.

Weight loss achieved through primary care interventions, whether pharmacologic or lifestyle-based, significantly attenuates over time, with an average regain of 0.53 kg per six months.

Do not expect your initial weight loss to stick if you stop the intervention. The body fights back against weight loss through hormonal changes. To maintain weight loss, you likely need to continue the intervention (medication or intensive lifestyle support) long-term, rather than treating it as a finite 'course'.

GLP-1 receptor agonists (GLP-1RA) are associated with a disproportionate reporting signal for specific neoplasms, particularly medullary thyroid cancer (MTC), papillary thyroid cancer (PTC), and pancreatic neoplasms, whereas overall tumor risk is not significantly increased.

GLP-1 receptor agonists do not increase the overall risk of cancer, but they are associated with specific, high-magnitude signals for medullary thyroid cancer (MTC), papillary thyroid cancer (PTC), and pancreatic neoplasms. Clinicians should maintain vigilance, particularly when combining GLP-1RA with DPP4 inhibitors, which may further increase reporting rates for these specific tumors. The benefits of GLP-1RA for cardiovascular and metabolic health remain significant, but patients with a history of MTC or pancreatitis should be carefully evaluated.

High-glycemic load carbohydrates drive obesity through calorie-independent hormonal mechanisms (specifically insulin-mediated fat storage and reduced energy expenditure) rather than solely through excess caloric intake.

Focus on reducing the glycemic load of your diet by minimizing refined carbohydrates, sugars, and processed grains. This approach addresses the hormonal drivers of fat storage (insulin) and energy partitioning, rather than relying solely on calorie restriction which may trigger metabolic slowdown and hunger.

Mendelian randomization studies suggest that genetic predisposition to MASLD via impaired VLDL secretion (PNPLA3, TM6SF2) may lower plasma lipids and potentially reduce coronary artery disease risk, whereas other MASLD genes show weak or no association with CAD.

This is a mechanistic insight rather than a direct intervention. It suggests that the way some people develop liver fat (by not secreting VLDL efficiently) might paradoxically protect them from heart disease. This highlights the complexity of the liver-heart axis.

Exposure to environmental obesogens (e.g., BPA, PFAS, pesticides) during critical developmental windows programs long-term metabolic dysfunction by hijacking redox signaling (ROS) and endocrine pathways, leading to increased adiposity and insulin resistance later in life.

To mitigate the impact of obesogens, prioritize reducing exposure to environmental chemicals that disrupt hormonal and redox signaling. This includes choosing fresh foods over ultra-processed items (which may contain obesogenic additives or packaging leachates), filtering drinking water, and minimizing the use of plastics (especially for heating food) and harsh household cleaners. While diet and exercise remain important, recognizing the role of environmental factors suggests that reducing exposure to these chemicals is a critical, often overlooked component of obesity prevention.

Use of GLP-1 receptor agonists (semaglutide, liraglutide, tirzepatide) is associated with a low incidence (1.18%) of psychiatric adverse events, including depression, anxiety, and suicidal ideation, with a small but significant number of fatal outcomes.

If you are taking semaglutide, liraglutide, or tirzepatide, be aware that mood changes like depression, anxiety, or suicidal thoughts are possible, though uncommon (approx 1%). Monitor your mental health closely. If you experience these symptoms, report them to your doctor immediately. Do not suffer in silence; early reporting helps manage safety risks.

GLP-1 receptor agonist treatment is associated with a statistically significant increase in specific psychiatric adverse events, including nervousness, stress, eating disorders, insomnia, binge eating, fear of eating, and self-induced vomiting, with onset typically occurring within the first 30 days.

If you are taking a GLP-1 medication (like Ozempic, Wegovy, or Trulicity), be aware that psychiatric side effects are a recognized risk, not just a rare anecdote. Symptoms like nervousness, stress, insomnia, and changes in eating behavior (such as bingeing or fear of eating) can start within the first month of treatment. Because these reports are disproportionately high in the database, you should proactively monitor your mental health and mood, especially if you have a history of anxiety or eating disorders, and report any new or worsening symptoms to your prescriber immediately.

Rapid weight loss induced by GLP-1 receptor agonists (e.g., semaglutide) causes significant facial volume depletion and skin laxity, resulting in an aged appearance termed 'Ozempic face'.

If you are taking Ozempic or similar drugs, be aware that rapid weight loss can hollow out your face and make you look older. This is a known side effect. If it happens, consult a plastic surgeon about fillers or skin tightening to restore volume.

Facial volume loss from GLP-1 agonists can be effectively treated with dermal fillers, skin tightening techniques, and surgical interventions.

If your face looks hollow after weight loss, consult a plastic surgeon. Treatments like fillers, lasers, or facelifts can restore volume and tighten skin. Be prepared for the costs and recovery time.

Sex hormone-binding globulin (SHBG) acts as a potential mediator in the causal relationship between higher cardiorespiratory fitness and lower type 2 diabetes risk.

Higher fitness is linked to higher levels of SHBG, which is known to protect against type 2 diabetes. This suggests that improving fitness may work partly by optimizing your hormone binding profiles.

Semaglutide treatment reduces plasma levels of FABP4 and modulates neutrophil phenotype (increasing CD88, reducing CD11b-mediated adhesion), thereby attenuating prothrombotic and atherosclerotic mechanisms.

For patients with Type 2 Diabetes and obesity who are not controlled on oral medications, Semaglutide (0.5-1.0 mg weekly) not only aids weight loss but may also reduce specific cardiovascular risk markers like FABP4 and improve neutrophil behavior, potentially lowering atherosclerosis risk. This benefit is observed after 6 months of treatment.

Branched-chain amino acid (BCAA) dysregulation directly causes pro-arrhythmic effects, including action potential prolongation and calcium dysregulation, independent of structural cardiac changes.

If you have diabetes or obesity, your risk of dangerous heart rhythms may be linked to how your body processes specific amino acids (leucine, isoleucine, valine) found in protein. While you don't necessarily need to eliminate protein, focusing on dietary patterns that improve metabolic health, such as the Mediterranean diet, may help lower BCAA levels and reduce arrhythmia risk. Consult your doctor about your specific metabolic profile.