Browse the evidence

High-quality carbohydrate diets (emphasizing whole grains, pulses, fruit, low glycemic index/load, and high viscous fiber) decrease intermediate cardiometabolic risk factors and are associated with reduced incidence of diabetes, cardiovascular disease, and mortality, whereas low-carbohydrate diets show no long-term superiority for weight loss or sustained glycemic control.

Focus on the quality of carbohydrates rather than restricting their quantity. Prioritize whole grains (especially oats and barley), pulses, fruit, and high-fiber foods. Limit sugar-sweetened beverages. This approach is associated with better long-term weight management and reduced risk of diabetes and heart disease compared to low-carbohydrate diets.

Dietary guidelines should prioritize overall diet quality and minimally processed foods over isolated nutrient targets (such as total fat or calories) to effectively prevent chronic disease and obesity.

Stop obsessing over single nutrients like total fat or strict calorie counting. Instead, build your diet around minimally processed, nutrient-dense foods like vegetables, fruits, nuts, seeds, beans, whole grains, and healthy oils. Actively avoid ultra-processed foods high in refined sugars, starches, and industrial additives like trans fats.

Adherence to a Mediterranean dietary pattern significantly reduces the risk of major cardiovascular events, all-cause mortality, and coronary heart disease mortality in both primary and secondary prevention populations.

Adopt a Mediterranean-style eating pattern as your default. Fill your plate with vegetables, fruits, legumes, nuts, and whole grains. Use extra virgin olive oil as your primary fat source and eat fatty fish regularly. Limit red meat, sweets, and processed foods. This pattern is proven to significantly lower your risk of heart attack, stroke, and death.

Adherence to a DASH dietary pattern significantly lowers systolic and diastolic blood pressure, with greater effects observed in hypertensive individuals, and this effect is amplified by low sodium intake.

Follow the DASH diet: eat plenty of vegetables, fruits, whole grains, and low-fat dairy, while limiting red meat, saturated fat, and sugar. To maximize blood pressure benefits, also reduce your sodium intake. This combination is highly effective for lowering blood pressure, especially if you have hypertension.

Creatine supplementation (3-5 g/day maintenance or 20 g/day loading) is safe and effective for increasing lean body mass and high-intensity exercise performance in physique athletes.

Take 3-5 grams of creatine monohydrate every day. You can take it anytime. If you want to saturate your muscles faster, take 20g/day for a week, then switch to 5g/day. It is safe and one of the most effective supplements for strength and muscle mass.

Intentional weight loss interventions improve health-related quality of life (HRQoL) in individuals with BMI ≥ 25 kg/m², with the magnitude of improvement increasing significantly as baseline BMI increases, particularly for those with BMI ≥ 40 kg/m².

If you have a BMI of 25 or higher, losing weight intentionally will likely improve your health-related quality of life. The higher your starting BMI, the greater the improvement in how you feel physically and mentally. However, if your BMI is under 30, the impact on quality of life may be negligible. Do not fear that weight loss will harm your mental health; evidence shows it does not.

A multifactorial approach targeting glucose, blood pressure, lipids, and lifestyle simultaneously is the most effective strategy for preventing diabetes complications.

To prevent serious health issues, you need to manage your blood sugar, blood pressure, and cholesterol together, not just one. This involves lifestyle changes like eating well, exercising 150 minutes a week, and losing weight, often supported by medications. This combined approach is proven to be the best way to protect your heart and kidneys.

Deuterium oxide (D2O) tracing allows for the measurement of long-term muscle protein synthesis in free-living conditions, revealing that early resistance exercise training drives muscle hypertrophy through chronically elevated MPS.

This paper describes a research method (D2O tracing) rather than a direct advice for the public. However, it confirms that consistent resistance exercise leads to chronic increases in muscle protein synthesis, which drives muscle growth over time.

Bariatric surgery (specifically Roux-en-Y gastric bypass) provides the greatest long-term weight loss and diabetes remission rates compared to other surgical and non-surgical interventions.

For severe obesity (BMI >40 or >35 with health issues), surgery is the most effective long-term solution. Roux-en-Y bypass offers the best results for weight loss and diabetes remission. It requires lifelong vitamin supplements and lifestyle changes, but offers the highest chance of sustained health improvement.

Creatine monohydrate (CM) is the gold standard for efficacy, safety, and cost-effectiveness, while approximately 88% of alternative creatine products on the market have limited to no scientific evidence supporting their bioavailability, efficacy, or safety.

When buying creatine, look for Creatine Monohydrate. It is the most studied, safest, and cheapest option. Be wary of 'alternative' forms (like HCl, Ethyl Ester, etc.) as 88% of them lack scientific evidence for safety or effectiveness. Additionally, only 8% of products are third-party certified, so verify certifications if purity is a concern.

Short sleep duration (less than 5 hours per night) is significantly associated with an increased risk of obesity, with an odds ratio of 1.89 in children and 1.55 in adults.

Aim for 7-8 hours of sleep per night. Sleeping less than 5 hours significantly increases your risk of obesity. Prioritize sleep as a key component of your metabolic health strategy.

Obesity is a major independent risk factor for the development of coronary artery disease, heart failure, atrial fibrillation, and sudden cardiac death, with risk increasing linearly with BMI and visceral adiposity.

If you have excess body fat, especially around your midsection, your risk for heart disease, heart failure, and arrhythmias increases significantly, even if your blood pressure and cholesterol are normal. Do not rely on BMI alone; ask your doctor about assessing visceral fat or using waist circumference, as these are better predictors of heart risk.

An intensive lifestyle intervention combining an energy-restricted Mediterranean diet (erMedDiet), physical activity promotion, and behavioral support significantly reduces body weight and improves cardiovascular risk factors in overweight/obese older adults with metabolic syndrome compared to usual care.

To lose weight and improve heart health, combine an energy-restricted Mediterranean diet with regular physical activity and behavioral support. Focus on reducing total calories while increasing healthy fats (olive oil, nuts) and protein. Attend regular support sessions to stay on track. This approach was shown to be more effective than usual care in older adults with metabolic syndrome.

Maintaining a BMI between 21 and 25 kg/m² is associated with the lowest risk of all-cause and cause-specific mortality (including cancer, cardiovascular, and respiratory diseases) in never-smokers, whereas obesity (BMI ≥30) reduces life expectancy by 3.5–4.2 years compared to healthy weight.

For long-term health and longevity, aim for a BMI between 21 and 25 kg/m². This range is associated with the lowest risk of death from major diseases like cancer and heart conditions. While being 'overweight' (BMI 25-29.9) is not as dangerous as obesity, this study indicates that health risks start to climb once you exceed 25. Avoiding being underweight (<18.5) is equally critical for maximizing life expectancy.

Resistance training counteracts age-related muscle mass and strength loss, improving mobility, physical functioning, and independence in older adults.

Keep moving and lifting. It's not too late to build strength. This will help you do daily tasks easier and stay independent longer.

Higher levels of physical activity are associated with a 10-24% lower risk of developing seven specific cancers (colon, breast, kidney, endometrial, bladder, esophageal adenocarcinoma, and stomach/cardia), with evidence strength rated as 'strong' by the Physical Activity Guidelines Advisory Committee.

Engage in regular physical activity, particularly moderate-to-vigorous intensity, to significantly lower your risk of developing several common cancers. You do not need to be an elite athlete; even modest increases in activity levels compared to a sedentary lifestyle provide measurable protective benefits.

Adherence to the Mediterranean Diet (MedDiet) significantly reduces the incidence of major cardiovascular events, including coronary heart disease, stroke, and cardiovascular mortality, in high-risk populations.

Adopt a Mediterranean-style eating pattern as your primary dietary strategy for heart health. Prioritize extra-virgin olive oil as your main cooking fat, fill your plate with minimally processed vegetables, fruits, legumes, and nuts, and include moderate amounts of fish and poultry. Limit red and processed meats, refined grains, and full-fat dairy. If you drink alcohol, moderate red wine with meals is consistent with the traditional pattern, but do not start drinking if you do not already. This pattern has been shown to reduce the risk of heart attack, stroke, and cardiovascular death by approximately 30% in high-risk individuals.

Consuming an additional daily serving of minimally processed plant-based foods (whole grains, fruits, vegetables, nuts, legumes, olive oil) is associated with significantly reduced risk of mortality and chronic diseases (CHD, diabetes, stroke, colorectal cancer) and has among the lowest environmental impacts.

Add one extra serving of whole grains, fruits, vegetables, nuts, legumes, or olive oil to your daily diet. This simple change is linked to lower risks of heart disease, diabetes, stroke, cancer, and early death, while also being better for the environment. Focus on minimally processed options.

Structured exercise programs significantly improve maximum walking distance and pain-free walking distance in patients with intermittent claudication compared to usual care or placebo.

If you have leg pain when walking due to narrowed arteries, do not stop walking. Supervised exercise programs are the standard, high-quality treatment. Aim for sessions 2-3 times a week for at least 30 minutes. You may need to walk until pain starts, rest, then walk again. This improves your walking distance significantly over time.

When resistance training sets are performed to momentary muscular failure, low-load training (≤60% 1RM) produces muscle hypertrophy equivalent to high-load training (>60% 1RM).

If you want to build muscle but only have light dumbbells or bodyweight, you can still get great results. The key is to perform your sets until you physically cannot complete another repetition with good form (momentary muscular failure). You will likely need to do more repetitions (e.g., 20-30+) compared to heavy lifting, but the muscle growth will be the same as if you were lifting heavy weights.

High-load resistance training (>60% 1RM) produces significantly greater gains in maximal strength (1RM) compared to low-load resistance training (≤60% 1RM), even when both are taken to failure.

If your primary goal is to increase your maximum lifting capacity (1RM), you should prioritize heavier weights (above 60% of your max). While light weights will still make you stronger, heavy weights will make you stronger faster and to a greater degree. However, light weights are still a valid tool for building strength, especially for joint health or volume accumulation.

Regular exercise training induces direct structural and functional vascular adaptations (such as improved flow-mediated dilation and arterial remodeling) via hemodynamic stimuli (shear stress and pressure), which contributes to cardiovascular risk reduction independently of changes in traditional risk factors like blood pressure or lipids.

To improve your cardiovascular health, you must engage in regular physical activity. This is not just about burning calories or lowering numbers on a lab test; the mechanical force of blood flow during exercise physically remodels your arteries to be healthier and more resilient. Consistency is key to maintaining these structural changes.

Diet and physical activity based interventions during pregnancy significantly reduce gestational weight gain compared to routine care, with a mean difference of -0.70 kg.

Engage in moderate physical activity and follow a balanced diet during pregnancy. This combination significantly reduces excessive weight gain and lowers the risk of caesarean section without harming the baby. These benefits apply to women of all body weights, not just those who are obese.

Diet and physical activity based interventions during pregnancy significantly reduce the odds of caesarean section.

Engage in moderate physical activity and follow a balanced diet during pregnancy. This combination significantly reduces the odds of requiring a caesarean section. These benefits apply to women of all body weights.