Browse the evidence

Regular consumption of nuts (tree nuts and peanuts) significantly reduces the risk of coronary heart disease (CHD) and sudden cardiac death, with a dose-response relationship observed in prospective studies.

Incorporate a handful (approx. 28g or 1 ounce) of unsalted nuts into your diet several times a week. This habit is strongly linked to a significantly lower risk of heart disease and sudden cardiac death. You do not need to fear weight gain from nuts; they are part of a healthy diet and may even help with weight control.

Regular nut consumption lowers total and LDL cholesterol levels in a dose-dependent manner, particularly in individuals with higher baseline LDL and lower BMI.

If you have high cholesterol, adding about 2-3 ounces of nuts daily to your diet can help lower your LDL levels. This effect is most pronounced if your cholesterol levels are currently high and if you are not overweight.

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.

Sarcopenia should be screened using the SARC-F questionnaire and formally diagnosed using grip strength or chair stand tests combined with DXA measurement of muscle mass.

Healthcare providers should screen older patients for muscle loss using the SARC-F questionnaire. If positive, confirm the diagnosis with a grip strength test or chair stand test and a DXA scan to measure muscle mass.

Adiposity (high BMI) is a robust, convincing risk factor for increased Type 2 Diabetes Mellitus (T2DM) incidence, supported by meta-analyses of observational studies and Mendelian randomization.

Maintaining a healthy body weight is one of the most powerful ways to prevent Type 2 Diabetes. The evidence is extremely strong: higher BMI directly correlates with a significantly higher risk of developing the disease. Focus on sustainable lifestyle changes that support a healthy weight, as this is a primary lever for T2DM prevention.

Low consumption of whole grains is a convincing risk factor for increased Type 2 Diabetes Mellitus (T2DM) incidence.

Increasing your intake of whole grains is a highly effective strategy to reduce your risk of Type 2 Diabetes. The evidence is very strong: people who eat more whole grains have a significantly lower risk of developing the disease. Prioritize whole grains over refined grains.

High consumption of sugar-sweetened beverages is a convincing risk factor for increased Type 2 Diabetes Mellitus (T2DM) incidence.

Reducing your intake of sugar-sweetened beverages is a highly effective strategy to reduce your risk of Type 2 Diabetes. The evidence is very strong: people who drink more sugar-sweetened beverages have a significantly higher risk of developing the disease. Consider replacing these with water or unsweetened beverages.

Low adherence to a healthy dietary pattern is a convincing risk factor for increased Type 2 Diabetes Mellitus (T2DM) incidence.

Adhering to a healthy dietary pattern is a highly effective strategy to reduce your risk of Type 2 Diabetes. The evidence is very strong: people who follow a healthy dietary pattern have a significantly lower risk of developing the disease. Focus on whole foods, fruits, vegetables, and whole grains, and limit processed foods.

Lowering LDL cholesterol levels directly reduces the incidence of cardiovascular disease events, establishing a causal dose-response relationship where lower levels yield greater benefit.

If you have diabetes, heart disease, or high cardiovascular risk, keeping your LDL cholesterol as low as possible is the most effective way to prevent heart attacks and strokes. Focus on treatments that lower LDL, such as statins and lifestyle changes, as this directly reduces your risk.

The dose-response relationship between physical activity and health outcomes exhibits diminishing returns, where the greatest risk reduction occurs when moving from inactivity to moderate activity, rather than from moderate to high activity.

Don't be discouraged if you don't see massive additional benefits by doubling your exercise time. The most critical health improvements happen when you go from doing nothing to doing something. Once you reach the recommended 150 minutes, you are already getting the vast majority of the protective benefit against heart disease and diabetes.

Engaging in leisure-time physical activity of moderate to vigorous intensity (0.1–3.74 MET-h/wk, equivalent to up to 75 minutes of brisk walking per week) is associated with a 1.8-year gain in life expectancy after age 40 compared to no leisure-time activity.

If you currently do no leisure-time exercise, start by aiming for just 75 minutes of brisk walking per week. This low threshold is associated with gaining 1.8 years of life expectancy after age 40 compared to being completely inactive. You do not need to exercise for hours to see significant longevity benefits; consistency at a low intensity is highly effective.

Higher levels of leisure-time physical activity (up to 22.5+ MET-h/wk, equivalent to 450+ minutes of brisk walking per week) are associated with greater gains in life expectancy (4.5 years) compared to no activity, with diminishing returns at the highest levels.

If you are already active, increasing your weekly brisk walking time to 450 minutes (7.5 hours) can add up to 4.5 years to your life expectancy compared to being inactive. While the biggest gains come from starting to move, continuing to increase your activity volume provides additional longevity benefits, even if the rate of gain slows at very high levels.

Being physically active (7.5+ MET-h/wk) and normal weight (BMI 18.5–24.9) is associated with a 7.2-year gain in life expectancy compared to being inactive and obese (BMI 35.0+).

To maximize your life expectancy, aim to be physically active (at least 7.5 MET-h/wk, or 150 minutes of brisk walking per week) and maintain a normal weight (BMI 18.5–24.9). This combination is associated with a 7.2-year gain in life expectancy compared to being inactive and obese. Both factors are critical, and addressing both offers the greatest longevity benefit.

Adherence to a combination of five low-risk lifestyle factors (never smoking, BMI 18.5-24.9, moderate-to-vigorous physical activity ≥30 min/day, moderate alcohol intake, and high diet quality) significantly increases life expectancy free of cancer, cardiovascular disease, and type 2 diabetes.

To maximize your disease-free years, focus on five key areas: never smoke, maintain a BMI between 18.5 and 24.9, engage in at least 30 minutes of moderate-to-vigorous physical activity daily, consume alcohol moderately (if at all), and eat a high-quality diet (top 40% of the Alternate Healthy Eating Index). Adhering to four or five of these factors can add approximately 10 years to your life expectancy free of major chronic diseases compared to having none.

Lifelong physical activity prevents the age-related decline in cardiorespiratory fitness (VO2max), maintaining fitness levels comparable to individuals four decades younger and significantly reducing mortality risk.

To maintain your heart health and longevity, you must keep doing aerobic exercise throughout your life. Don't stop when you hit middle age; consistent training keeps your fitness level comparable to someone much younger and cuts your risk of early death significantly.

Physical inactivity is a direct cause of 40 chronic diseases and premature death, while physical activity prevents or treats these conditions.

Sitting is a major risk factor for chronic disease. To prevent conditions like type 2 diabetes and heart disease, you must incorporate regular physical activity into your life, as inactivity directly contributes to these illnesses.

Adherence to ideal combined lifestyle behaviors (smoking, BMI, physical activity, diet) significantly reduces the risk of incident cardiovascular disease and type 2 diabetes, regardless of an individual's genetic risk score.

Focus on the four pillars: don't smoke, keep your weight in a healthy range, eat a diet rich in key components, and stay physically active. Doing this well significantly lowers your risk of heart disease and diabetes, even if you have a high genetic predisposition. Your lifestyle choices matter just as much for high-risk individuals as they do for low-risk ones.

Adherence to the DASH diet significantly reduces systolic blood pressure (mean -5.2 mmHg), diastolic blood pressure (-2.6 mmHg), total cholesterol (-0.20 mmol/l), and LDL cholesterol (-0.10 mmol/l) in adults, leading to an estimated 13% reduction in 10-year cardiovascular disease risk.

To lower your blood pressure and cholesterol, adopt the DASH diet pattern: eat more fruits, vegetables, whole grains, and low-fat dairy, while reducing red meat, sweets, and saturated fats. This dietary shift significantly improves cardiovascular risk markers, especially if you have high baseline blood pressure or BMI. You do not need to strictly restrict sodium for the diet to work, nor do you expect changes in triglycerides or HDL.

The blood pressure-lowering effects of the DASH diet are greater in individuals with higher baseline blood pressure or higher BMI.

If you have high blood pressure or are overweight, the DASH diet will likely provide you with the most significant blood pressure benefits. Focus on the dietary pattern, as your body is primed to respond to these changes more robustly than those with normal baseline levels.

Adherence to a Mediterranean diet enriched with extra-virgin olive oil or mixed nuts reduces the risk of major cardiovascular events (cardiovascular death, myocardial infarction, stroke) compared to a low-fat control diet in high-risk individuals.

To lower your cardiovascular risk, adopt a Mediterranean dietary pattern. If you are at high risk (e.g., high blood pressure, diabetes, or high cholesterol), incorporate extra-virgin olive oil as your main cooking fat (aim for about 1 liter per week if following the study protocol) and eat a small handful of mixed nuts (about 30 grams) daily. Focus on getting these foods through education and support rather than just willpower, and do not fear the fat content, as unsaturated fats from these sources are cardioprotective.

Higher levels of physical activity reduce the risk of six specific cancer sites (bladder, breast, colon, endometrial, esophageal adenocarcinoma, gastric cardia) with strong evidence, while moderate evidence supports inverse associations with lung, ovarian, pancreatic, and renal cancers.

Aim for regular physical activity to lower cancer risk. You do not need a specific dose to start; even breaking up long periods of sitting with standing or walking offers benefits. Consistency matters more than intensity for general risk reduction.

Long-chain omega-3 fatty acids (EPA and DHA) provide cardiovascular protection through anti-atherogenic, anti-thrombotic, and anti-inflammatory mechanisms, with benefits observed at intakes around 1g/day.

Aim for 1g of EPA/DHA daily. If you don't eat oily fish, use supplements or seek out fortified foods like omega-3 enriched milk or spreads. This dose is sufficient to improve cardiovascular surrogate markers.

High amounts of sedentary behavior increase the risk of all-cause mortality, cardiovascular disease (CVD) mortality, and incident type 2 diabetes, with evidence graded as strong for these associations.

Sitting for long periods increases your risk of dying early and developing heart disease or diabetes, even if you exercise. To protect your health, try to break up long periods of sitting with light movement throughout the day, in addition to your regular exercise routine.

Regular physical activity (aerobic and resistance) is a major therapeutic modality for type 2 diabetes, improving glucose tolerance and insulin sensitivity, but these benefits deteriorate within 72 hours of the last session, necessitating frequent exercise.

To manage type 2 diabetes, you need to exercise regularly because the benefits wear off after about 3 days. Aim for at least 1000 calories of exercise per week, spread over 3-5 days. Start with low-to-moderate intensity (like brisk walking) for 10-15 minutes, gradually building up to 30 minutes. If you have foot problems, try non-weight-bearing exercises like swimming or cycling. Use how you feel (RPE) to gauge intensity if your heart rate response is affected by neuropathy. Consistency is key to keeping your blood sugar and insulin sensitivity improved.