Browse the evidence

Once-weekly resistance training improves executive function in older women, but does not significantly affect white matter volume or memory compared to balance-and-toning.

If you can only train once a week, resistance training is still beneficial for your brain's executive function. Focus on progressive overload with compound movements.

Adults in four European countries exhibit high levels of sedentary time (mean 530 min/day) and physical inactivity (72% not meeting WHO recommendations), with older and obese individuals being the most at-risk demographics.

Use objective tracking (like an accelerometer) rather than memory to assess your daily movement. Most adults sit for nearly 9 hours a day, and feeling 'active' is not a reliable indicator of meeting health guidelines. Focus on reducing total sitting time, especially if you are older or have a higher BMI, as these groups are statistically most likely to be highly sedentary and inactive.

Men and higher-educated individuals are more likely to be highly sedentary (sitting >10 hours/day), whereas women and lower-educated individuals are more likely to be physically inactive (not meeting MVPA recommendations).

If you are a man or have higher education, monitor your total sitting time, as you are statistically more likely to sit for over 10 hours a day. If you are a woman or have lower education, focus on increasing moderate-to-vigorous physical activity (MVPA), as you are more likely to fall short of activity recommendations. Tailor your interventions to these specific behavioral gaps.

A two-year dietary intervention significantly slows epigenetic aging as measured by the DNAmGrimAge biomarker in healthy postmenopausal women.

Adopting a diet rich in plant foods, whole grains, and vegetables while reducing meat, cakes, and saturated fats can significantly slow biological aging in postmenopausal women. You do not need extreme restrictions; consistent, moderate improvements in dietary quality over two years are sufficient to see measurable epigenetic benefits.

A two-year physical activity intervention significantly reduces the Epigenetic Mutation Load (EML) in healthy postmenopausal women.

Increasing your regular recreational physical activity over two years can significantly reduce your Epigenetic Mutation Load, a marker associated with cancer risk and aging. You do not need to be an elite athlete; simply increasing your daily movement has measurable biological benefits.

The kidney benefits of semaglutide are largely mediated by weight loss, although direct GLP-1 receptor effects on the kidney may also contribute.

While semaglutide has direct kidney-protective properties, most of its benefit comes from the weight loss it induces. Therefore, maintaining weight loss is crucial for sustaining kidney protection.

Higher dietary and serum intake of linoleic acid and total polyunsaturated fatty acids (PUFA) is associated with significantly lower cardiovascular disease (CVD) mortality in middle-aged men.

For middle-aged men, prioritizing the quality of fats over the total amount consumed is crucial for heart health. Specifically, increasing intake of polyunsaturated fatty acids (PUFA) and linoleic acid—found in foods like vegetable oils, nuts, and seeds—and replacing saturated fats with these unsaturated fats is associated with a significantly lower risk of dying from cardiovascular disease. Total fat quantity alone is not a predictor of risk.

Vegetarian and vegan diets are associated with a significantly lower risk of ischaemic heart disease compared to meat-eating diets, primarily mediated by lower body mass index, blood pressure, and cholesterol levels.

Adopting a vegetarian or vegan diet is associated with a lower risk of heart disease compared to eating meat. This benefit appears to be linked to lower body weight, blood pressure, and cholesterol levels often found in vegetarians. You do not need to eliminate all animal products to see benefits; fish eaters also showed reduced risk.

Initiating moderate red wine consumption (150 mL/day) with dinner for two years significantly improves lipid profiles (increased HDL-C, decreased total cholesterol-HDL ratio) and reduces metabolic syndrome components in adults with well-controlled type 2 diabetes compared to mineral water.

If you have well-controlled type 2 diabetes and do not currently drink, you might consider adding one small glass (5 oz) of red wine with your dinner daily, provided you follow a healthy Mediterranean-style diet. This specific pattern has been shown in a 2-year study to improve cholesterol levels and reduce metabolic risk factors without adverse effects. However, this does not apply if you have a history of alcohol abuse, uncontrolled blood sugar, or other specific contraindications like heart disease.

Adolescents with overweight or obesity exhibit significantly lower physical fitness scores across cardiorespiratory and agility tests compared to normal-weight peers, demonstrating a strong inverse association between excess body weight and fitness.

If you are an overweight adolescent, your current fitness levels are likely lower than your normal-weight peers, particularly in endurance and agility tasks. This is not a permanent state but a reflection of current energy balance and activity levels. To improve, focus on increasing physical activity in a way that respects your current physical limits and reduces the fear of judgment, as low fitness can be a barrier to participation.

Engaging in high volumes of physical activity (up to 5000 MET min/week, approx. 10-12 hours of vigorous activity weekly) is associated with lower all-cause and cardiovascular mortality risk compared to recommended levels, with no evidence of increased mortality risk at these high volumes.

If you are already active, you do not need to worry that increasing your exercise volume to 10-12 hours of vigorous activity per week will harm your longevity. The data shows that doing significantly more than the standard recommendation continues to be associated with lower mortality risk, with no identified 'danger zone' for lifespan within these high volumes.

Accelerated metabolomic aging (mAA) is significantly associated with overweight/obesity, heavy alcohol use, diabetes, and depression, indicating that metabolic dysregulation accelerates biological aging markers.

Your biological age, as measured by metabolic markers, speeds up if you have obesity, diabetes, or drink heavily. This isn't just about looking older; it's about physiological decline. Managing weight, limiting alcohol, and controlling blood sugar are direct interventions to slow this specific type of biological aging.

Polysaccharides isolated from specific macrofungi (e.g., Ganoderma lucidum, Grifola frondosa, Pleurotus ostreatus) exhibit specific bioactivities including antitumor, immunomodulatory, and hypoglycemic effects.

If seeking specific health benefits, look for supplements containing specific mushroom polysaccharides (like Lentinan from Shiitake or Beta-Glucans from Reishi) rather than generic mushroom powder, as the specific structure determines the biological effect.

Treatment with glucagon-like peptide-1 receptor agonists (GLP-1 RAs) is associated with a reduced incidence of dementia in patients with type 2 diabetes.

If you have Type 2 Diabetes, discuss GLP-1 receptor agonists (like liraglutide or semaglutide) with your doctor. This paper suggests these medications may lower your risk of developing dementia compared to other diabetes treatments. This is particularly relevant if you are at high cardiovascular risk.

In diabetic men, exercise training reduces basal hepatic glucose production by 22%, even when insulin sensitivity (peripheral glucose disposal) does not improve.

For diabetic men, exercise may help lower fasting blood sugar by reducing the liver's glucose output, even if it doesn't improve how muscles use insulin. This suggests exercise has hepatic benefits distinct from peripheral insulin sensitivity.

Bariatric surgery significantly reduces the risk of new-onset atrial fibrillation in patients with severe obesity compared to usual care, with a 29% risk reduction observed over a median 19-year follow-up.

For individuals with severe obesity, bariatric surgery offers a significant reduction in the long-term risk of developing atrial fibrillation compared to non-surgical weight management. This benefit is particularly pronounced in younger patients and those with higher blood pressure. While lifestyle changes are important, they may not achieve the sustained, substantial weight loss needed to prevent new-onset AF in this population.

Adolescent dieting and extreme weight loss behaviors (EWLB) prospectively predict the onset of EWLB in young adulthood, particularly among women.

If you are a young woman, be aware that starting to diet in adolescence is a strong predictor for developing extreme weight loss behaviors (like using laxatives or diet pills) later in life. Dieting should not be viewed as a benign or isolated activity, but as a potential risk factor for disordered eating patterns.

Adolescent body image distortion (BID) prospectively predicts the onset of dieting in young adulthood for both men and women.

If you perceive yourself as overweight when you are not (body image distortion), you are at higher risk of starting to diet in young adulthood. This risk applies to both men and women. Addressing body image distortion early may prevent the onset of dieting behaviors.

A cumulative risk index of adolescent psychosocial and behavioral factors (depression, BID, dieting, EWLB) predicts higher odds of eating pathology in young adulthood, with gender-specific patterns.

If you or your adolescent child has multiple risk factors for eating disorders (depression, body image distortion, dieting, extreme weight loss behaviors), the risk of developing eating pathology in young adulthood increases significantly. This risk is cumulative and varies by gender. Addressing multiple risk factors early may be more effective than focusing on a single one.

The LIPC -514C/T polymorphism's effect on HDL-C concentrations is conditional on dietary fat intake; specifically, the T allele increases HDL-C only when fat intake is >=30% of energy, whereas high fat intake decreases HDL-C in TT genotype carriers.

If you carry the LIPC -514 TT genotype, your HDL cholesterol levels may drop if you consume a low-fat diet (<30% of calories from fat). Conversely, if you consume a higher fat diet (>=30% of calories), this genotype is associated with higher HDL. This suggests that individuals with this specific genetic variant may not benefit from standard low-fat dietary recommendations for lipid management and might require personalized fat intake targets.

Chronic aerobic exercise induces a significant increase in fasting plasma ghrelin levels proportional to the magnitude of weight loss, independent of changes in caloric intake.

If you start an aerobic exercise program and lose weight, your body will naturally increase hunger hormones (ghrelin) to try to regain the weight. This happens even if you don't change your diet. Expect to feel hungrier as you lose weight; this is a normal biological signal, not a sign that your exercise routine is failing.

In older men (aged 70-89), mid-range plasma testosterone levels (specifically the 2nd and 3rd quartiles, approx. 9.8–15.8 nmol/L) are associated with the lowest all-cause mortality, indicating a U-shaped relationship where both very low and very high levels carry higher risk.

For older men, maintaining testosterone in the mid-range (approx. 10-16 nmol/L) is associated with the lowest risk of death. Neither extremely low nor extremely high levels are optimal. This suggests that avoiding severe deficiency is critical, but pushing levels to the very top of the range may not offer additional survival benefits and could potentially be neutral or harmful.

Adherence to a healthful plant-based diet is associated with a lower risk of cardiovascular disease (CVD), specifically myocardial infarction and ischemic stroke, independent of genetic predisposition.

If you have a family history of heart disease, adopting a diet rich in whole plant foods (grains, fruits, veggies, nuts, legumes) and low in processed foods and animal products can still significantly lower your risk of heart attack and stroke.

Adherence to an unhealthful plant-based diet (high in refined grains, sugary drinks, sweets, and animal products) is associated with a higher risk of all-cause mortality, cardiovascular disease, and cancer.

Avoid relying on processed plant-based foods, sugary drinks, and sweets. Focus on whole plant foods like whole grains, fruits, vegetables, nuts, and legumes to lower your risk of death, heart disease, and cancer.