Browse the evidence

High-fat diets rich in saturated fatty acids (SFA) and Conjugated Linoleic Acids (CLA) induce hepatic steatosis, whereas diets rich in n-3 polyunsaturated fatty acids (PUFA) inhibit hepatic lipogenesis and prevent steatosis.

The type of fat you eat matters more than just the amount. Diets high in saturated fats and CLA can cause fatty liver, while diets rich in n-3 PUFAs (found in fish and some plant oils) can prevent it. Focus on the quality of your fats.

Women with polycystic ovary syndrome (PCOS) exhibit a distinct dyslipidemic profile characterized by elevated triglycerides, elevated LDL cholesterol, and reduced HDL cholesterol compared to controls, independent of obesity status.

If you have PCOS, you need a complete lipid panel (including ApoA-I and Lipoprotein(a)) regardless of your weight. Lifestyle changes (diet/exercise) are the first-line treatment, but you may require statins if LDL remains high, as your hormonal profile drives atherogenic changes independent of body mass.

Consuming 15g of inulin with a meal stimulates significant colonic fermentation, producing approximately 137mmol of acetate, 20mmol of butyrate, and 11mmol of propionate over 12 hours in healthy adults.

To boost your gut's production of beneficial short-chain fatty acids (SCFAs) like acetate and butyrate, consume 15 grams of inulin (a type of soluble fiber found in foods like chicory root, onions, and garlic) with your breakfast. This amount is sufficient to stimulate significant fermentation in the colon over the next 12 hours, providing energy for colon cells and supporting metabolic health. If you are new to high-fiber foods, start with a smaller dose to avoid digestive discomfort.

Higher socioeconomic status (SES) households exhibit a greater reduction in high-sugar beverage purchases in response to SSB tax increases compared to lower SES households.

Policymakers should investigate why low-SES households are less responsive to SSB taxes. If they are not reducing consumption, the tax may be purely regressive without the intended health benefit, requiring targeted interventions.

Adherence to a 'Western' dietary pattern (high in processed meats, fried foods, and refined carbohydrates) is associated with a significantly higher likelihood of depressive symptoms over a 10-year period compared to lower adherence.

If you frequently consume processed foods, fried items, and refined carbs, you may be increasing your long-term risk for depressive symptoms. While this doesn't mean you will definitely become depressed, shifting away from these 'Western' patterns toward whole foods may support better mental health over time.

Adherence to a 'Traditional' dietary pattern (characterized by high consumption of fish and fruit) is associated with a significantly lower likelihood of depressive symptoms in women.

For women, eating a diet rich in fish and fruit (a 'Traditional' pattern) is linked to a lower risk of developing depressive symptoms over time. This suggests that incorporating more fish and fruits into your weekly meals may support long-term mental well-being.

Obstructive sleep apnea (OSA) independently causes insulin resistance, hypertension, and visceral obesity, contributing directly to the metabolic syndrome.

If you have symptoms of sleep apnea (loud snoring, daytime fatigue, witnessed breathing pauses), get tested. Treating OSA with CPAP can improve blood pressure, lipid profiles, and insulin sensitivity, reducing your risk of heart disease and diabetes, independent of weight loss.

Sleep deprivation and short sleep duration independently increase the risk of insulin resistance, glucose intolerance, and obesity.

Aim for 7-9 hours of sleep per night. Chronic sleep restriction (<6 hours) impairs your body's ability to process glucose and increases hunger hormones, making weight management and diabetes prevention significantly harder.

Implementation of a 1 peso per liter excise tax on sugar-sweetened beverages (SSB) in Mexico resulted in a statistically significant 7.3% reduction in per capita SSB sales and a 5.2% increase in plain water sales over a two-year post-tax period.

This study confirms that fiscal policies, specifically taxes on sugary drinks, are effective at reducing consumption. For policymakers, it validates that even modest taxes (like Mexico's 1 peso/liter) can drive measurable behavioral change, specifically shifting consumers toward water. For individuals, it suggests that price signals are a powerful tool for reducing SSB intake, and that substitution to water is a viable and common response to such taxes.

Endurance exercise training induces fiber-type-specific proteomic adaptations in human skeletal muscle, with slow-twitch fibers showing greater remodeling (237 proteins) than fast-twitch fibers (172 proteins), particularly in mitochondrial metabolism and calcium signaling.

Endurance training changes your muscles at a molecular level, but it doesn't do so uniformly. Slow-twitch fibers (used for endurance) remodel more extensively than fast-twitch fibers (used for speed/power). This means that to optimize overall fitness, you need to target different fiber types with different training modalities, as general endurance training primarily drives adaptations in slow-twitch fibers.

Aerobic exercise training increases skeletal muscle GLUT4 protein levels, which enhances insulin-stimulated muscle glucose disposal.

Regular aerobic exercise increases the amount of GLUT4, a protein that helps move glucose into your muscles. This makes your body more sensitive to insulin and helps manage blood sugar levels more effectively.

Veterans with comorbid mental health disorders, particularly PTSD, exhibit significantly higher prevalence and secular increases in sleep disorders (specifically sleep apnea and insomnia) compared to those without such comorbidities.

If you are a veteran with PTSD or other mental health conditions, be aware that your risk for sleep disorders like apnea and insomnia is significantly higher. The study shows a six-fold increase in these diagnoses over a decade, with PTSD patients having the highest rates. It is crucial to integrate sleep management into your overall healthcare plan, as untreated sleep disorders can worsen mental health and increase risks for cardiovascular disease and other chronic conditions.

In Chinese adults with type 2 diabetes, higher levels of abdominal obesity indices (waist circumference, visceral adiposity index, lipid accumulation product, and Chinese visceral adiposity index) are significantly associated with an increased risk of incident cardiovascular events, with CVAI demonstrating the strongest predictive performance.

For people with type 2 diabetes, monitoring waist circumference or using calculated indices like CVAI is more critical for predicting heart disease risk than BMI alone. Reducing abdominal fat deposition is a key intervention strategy, particularly for those who are not overweight by BMI standards but carry visceral fat.

Sedentary behavior interventions lasting 2 weeks to 6 months in non-clinical adults produce small but statistically significant improvements in body weight, waist circumference, body fat percentage, systolic blood pressure, fasting insulin, and HDL cholesterol.

If you sit for long periods, try to break up your sitting time with standing or light walking. Even small reductions in total sitting time (e.g., 30-60 minutes less per day) can lead to small but real improvements in weight, waist size, blood pressure, and insulin sensitivity over a few months. You don't need intense exercise to get these specific metabolic benefits; simply replacing sitting with light activity is effective.

Sustained high-wheat fibre intake (24 g/d) increases plasma glucagon-like peptide-1 (GLP-1) and short-chain fatty acids (SCFA) in hyperinsulinaemic subjects, but this adaptation requires 9–12 months to manifest.

If you are insulin resistant, simply adding 24g of wheat fibre daily (e.g., one serving of high-fibre cereal) will not immediately fix your blood sugar. It takes 9 to 12 months of consistent intake for your gut bacteria to adapt and produce enough SCFA to boost GLP-1, a hormone that helps regulate insulin. Do not quit after a few months; the benefit is delayed but real.

Daily oral supplementation with NRPT (250mg Nicotinamide Riboside + 50mg Pterostilbene) significantly increases whole blood NAD+ levels by approximately 40% in healthy adults aged 60-80 over an 8-week period.

Take 250mg of Nicotinamide Riboside combined with 50mg of Pterostilbene once daily with breakfast. This specific combination has been shown in a clinical trial of adults aged 60-80 to safely and sustainably raise NAD+ levels by about 40% over two months without serious side effects.

Regular endurance exercise reverses age-related neuromuscular junction (NMJ) fragmentation and restores synaptic morphology to levels resembling young adult sedentary NMJs.

If you are older and experiencing muscle loss, regular endurance exercise (like brisk walking or cycling) may help maintain the structural integrity of the connections between your nerves and muscles. While you might not regain the exact structure of your youth, studies suggest exercise can reverse some age-related fragmentation, potentially supporting better muscle function and mass retention.

Endurance training increases neuromuscular junction (NMJ) size and complexity (branching and AChR area) in young adults, whereas in aged adults, it primarily reverses age-induced expansion and fragmentation.

Exercise affects your nerve-muscle connections differently as you age. In youth, it builds larger, more complex connections. In older age, it works to fix the wear-and-tear (fragmentation) of these connections, bringing them back to a healthier, younger baseline rather than building them larger.

Low-T3 syndrome in exercising women is induced abruptly when energy availability falls below a threshold of 19.0–25.0 kcal/kg lean body mass per day, regardless of exercise volume or intensity.

If you exercise regularly, your thyroid health depends on 'energy availability'—the calories you eat minus the calories you burn in exercise. If this number drops below roughly 30 kcal per kg of lean body mass, your body may switch into 'low-T3 syndrome,' slowing metabolism. To prevent this, you must either eat more to cover your exercise costs or reduce your exercise volume, as simply eating more without covering the exercise cost may not be enough if the gap is too wide.

Ectopic fat accumulation in organs such as the heart, liver, and pancreas is a primary driver of cardiometabolic disease and insulin resistance, often posing a higher risk than classical metrics like BMI.

Focus on reducing visceral and ectopic fat through lifestyle changes rather than just tracking weight. Regular exercise and a balanced diet are effective at reducing hepatic and pancreatic fat, which improves metabolic health even if BMI changes slowly.

GLP-1 receptor agonists (Exenatide and Liraglutide) are marketed drugs that suppress appetite and reduce body weight while improving glycemic control in diabetic patients.

If you have Type 2 Diabetes, ask your doctor about GLP-1 receptor agonists like Exenatide or Liraglutide. These are already available medications that help control blood sugar and also help with weight loss by suppressing appetite.

Low energy availability (LEA), defined as ≤30 kcal/kg LBM/day, acts as a potent disruptor of the endocrine milieu, triggering acute hormonal, metabolic, and physiological dysregulations in both females and males.

To maintain hormonal health, ensure your daily energy intake minus exercise expenditure, divided by your lean body mass, stays above 30 kcal/kg. This is critical for both men and women exercising regularly.

Intermittent fasting and time-restricted feeding activate AMPK and improve health outcomes by mimicking some benefits of caloric restriction without necessarily reducing total calories.

Try eating all your meals within a restricted window of time each day (e.g., 8 hours). This activates AMPK, a key energy sensor, which can improve health and function even if you don't count calories.

A whole-grain cereal-rich diet (approx. 150g dry weight/day) significantly increases plasma betaine and alkylresorcinol levels compared to a matched refined-grain diet in healthy subjects.

To increase your plasma betaine and alkylresorcinol levels, incorporate about 150g of dry whole-grain cereals (like oats, wheat, or rye products) into your daily diet. This amount is roughly equivalent to a few servings of whole-grain bread or cereal. This change was shown to significantly raise these beneficial compounds within just one week in healthy individuals.