Browse the evidence

High consumption of sugar-sweetened beverages is associated with adverse changes in blood biomarkers, including increased triglycerides, inflammatory markers (CRP, IL-6), and decreased HDL and leptin.

Regular sugary drink consumption worsens your blood chemistry even if you don't have diagnosed heart disease. It raises inflammation and bad fats while lowering good fats. This happens gradually and contributes to long-term heart risk.

Adherence to a Western dietary pattern, characterized by high intake of red and processed meats, refined grains, and sweets, significantly increases the risk of developing type 2 diabetes in women.

To lower your risk of type 2 diabetes, limit your intake of red and processed meats (like bacon, hot dogs, and sausages), refined grains, and sweets. Instead, focus on a diet rich in fruits, vegetables, legumes, whole grains, fish, and poultry. This shift in dietary pattern is associated with a significantly lower risk of developing diabetes.

Higher intake of processed meats is associated with a greater increase in type 2 diabetes risk compared to red meat intake.

When choosing meats, prioritize fresh, unprocessed options like chicken, fish, or fresh beef over processed options like bacon, hot dogs, and sausages. Processed meats are linked to a higher risk of type 2 diabetes than red meats, likely due to additives and processing methods.

Minority ethnic groups (Asians, Hispanics, Blacks) have a significantly higher risk of type 2 diabetes than Whites, independent of BMI, with Asians showing the strongest association between weight gain/BMI and diabetes risk.

If you are Asian, Hispanic, or Black, your risk of developing type 2 diabetes is higher than that of a White person with the same BMI. For Asians specifically, even small amounts of weight gain or slight increases in BMI carry a disproportionately higher risk of diabetes compared to Whites. This means maintaining a healthy weight and eating a diet high in fiber and polyunsaturated fats (and low in trans fats and glycemic load) is critically important, potentially offering greater protective benefits for you than for a White person with similar habits.

A healthy diet (high in cereal fiber and polyunsaturated fat, low in trans fat and glycemic load) is associated with a significantly stronger reduction in diabetes risk among minority ethnic groups (Asians, Hispanics, Blacks) compared to Whites.

Adopting a diet rich in cereal fiber and polyunsaturated fats (like those found in nuts, seeds, and fish oils) while minimizing trans fats and high-glycemic carbohydrates can significantly lower your diabetes risk. This study suggests that if you belong to a minority ethnic group (Asian, Hispanic, or Black), this dietary approach might offer you even greater protection against diabetes than it would for a White person. Focus on the quality of your fats and fiber, not just calorie counting.

Reduction in industrially produced trans fat intake was the primary driver of improved dietary quality in the US adult population between 1999 and 2010, accounting for more than half of the total improvement.

While you should still aim to eat more fruits, vegetables, and whole grains, the single most impactful dietary change for public health in the US context has been the elimination of trans fats, largely achieved through food industry reformulation rather than individual choice. Focus on reading labels for 'partially hydrogenated oils' and supporting policies that limit these fats, as this structural change has driven the biggest improvements in dietary quality.

Oral consumption of 2.42 g of free-acid β-hydroxy-β-methylbutyrate (HMB) acutely stimulates muscle protein synthesis (MPS) to a similar extent as 3.42 g of leucine, while uniquely reducing muscle protein breakdown (MPB) by 57% in an insulin-independent manner.

Take 2.42 grams of free-acid HMB on an empty stomach to acutely boost muscle protein synthesis and reduce muscle breakdown. This works without spiking insulin, making it a distinct anabolic signal compared to leucine or protein meals.

Higher intake of long-chain n-3 polyunsaturated fatty acids (EPA+DHA) from seafood reduces the risk of sudden cardiac death in men, regardless of their background intake of n-6 polyunsaturated fatty acids.

Aim for at least 250 mg of long-chain omega-3s (EPA+DHA) daily, which is roughly equivalent to 1-2 servings of fatty fish per week. This intake significantly lowers your risk of sudden cardiac death. Crucially, you do not need to restrict your intake of plant-based fats (n-6 PUFAs) to get this benefit; the protection holds true whether your plant fat intake is low or high.

Higher intake of intermediate-chain n-3 PUFAs (ALA) from plant sources reduces the risk of nonfatal myocardial infarction and total coronary heart disease, but this benefit is primarily observed when long-chain n-3 (EPA+DHA) intake is very low (<100 mg/d).

If you do not eat fatty fish (keeping long-chain omega-3s under 100 mg/day), make sure you get plenty of plant-based omega-3s (ALA) from sources like flaxseeds, chia seeds, or walnuts. For every 1 gram of ALA you consume daily, your risk of a non-fatal heart attack drops significantly. This is your primary nutritional lever for heart protection if you avoid fish.

Long-term consumption of coffee (regular or decaffeinated) and total caffeine is associated with a statistically significant reduction in the risk of developing type 2 diabetes mellitus.

If you currently drink coffee, continuing or moderately increasing your intake (up to 6+ cups/day) is associated with a significantly lower risk of developing type 2 diabetes. This benefit applies to both regular and decaffeinated coffee, suggesting factors beyond caffeine (like magnesium and antioxidants) contribute. However, do not start drinking coffee if you do not currently consume it solely for diabetes prevention; the observational nature of the evidence means causality is not proven, and individual tolerance to caffeine varies.

Higher dietary magnesium intake is inversely associated with the risk of developing type 2 diabetes in both men and women.

To lower your risk of type 2 diabetes, focus on eating more magnesium-rich whole foods like whole grains, nuts, and green leafy vegetables rather than relying on magnesium supplements. Aim for a diet rich in these items to naturally increase your magnesium intake, which is associated with a significantly lower risk of developing diabetes.

High dietary intake of potassium, magnesium, and cereal fiber is associated with a significantly reduced risk of total stroke, with the strongest inverse associations observed in men with a history of hypertension.

Focus on increasing your intake of potassium, magnesium, and cereal fiber through whole foods like fruits, vegetables, and cereals. This is particularly important if you have high blood pressure. While potassium supplements showed benefit in hypertensive men taking diuretics, they carry risks and should not be used indiscriminately without medical supervision.

Use of potassium supplements is inversely associated with stroke risk, particularly in men with hypertension who are taking diuretics.

If you take diuretics for high blood pressure, your doctor may recommend potassium supplements to counteract potassium loss. This study found a strong reduction in stroke risk for this specific group. Do not self-prescribe potassium supplements; consult your doctor for monitoring and dosage.

Dietary fiber, specifically cereal fiber, is inversely associated with stroke risk, independent of potassium and magnesium intake.

Increase your intake of cereal fiber by choosing whole grains and cereals. This is associated with a lower risk of stroke, independent of other nutrients.

Adherence to a 'fertility diet' pattern (high monounsaturated/trans fat ratio, vegetable protein, high-fat dairy, iron, multivitamins; low animal protein, glycemic load, low-fat dairy) is associated with a significantly lower risk of ovulatory disorder infertility.

To support ovulatory fertility, prioritize a diet rich in monounsaturated fats (like olive oil), vegetable proteins, high-fat dairy, iron, and multivitamins, while limiting trans fats, animal proteins, and high-glycemic carbohydrates. This pattern is associated with a substantially lower risk of ovulatory disorder infertility.

Current anti-obesity medications improve weight and metabolic parameters but do not yet have data supporting a reduction in hard cardiovascular outcomes.

While these drugs significantly reduce weight and improve metabolic markers, they have not yet been proven to reduce hard cardiovascular events like heart attacks or strokes. Weight loss itself is a key factor in long-term health.

High consumption of artificially sweetened beverages (ASBs) is associated with increased total and cardiovascular mortality, particularly in women, though substituting ASBs for SSBs may offer a modest mortality benefit.

If you consume high amounts of artificially sweetened beverages, consider reducing intake, especially if you are a woman. While replacing SSBs with ASBs reduces mortality risk compared to drinking SSBs, water remains the optimal choice for longevity.

Regular walking, specifically measured by MET-hours or walking pace, is inversely associated with cardiovascular disease risk in diabetic women, independent of vigorous exercise.

You don't need to run or lift heavy weights to protect your heart if you have diabetes. Focus on walking regularly. Aim for a brisk pace (3-4 mph) and accumulate walking time throughout the week. This specific type of activity significantly lowers your risk of heart disease and stroke, even if you aren't doing other intense workouts.

Adherence to a 'Western' dietary pattern, characterized by high intake of fried foods, salty snacks, eggs, and meat, is associated with an increased risk of AMI, particularly at high levels of consumption.

Limit your intake of fried foods, salty snacks, and processed meats. High consumption of these 'Western' pattern foods significantly increases your risk of heart attack.

Adopting a traditional lifestyle characterized by high physical activity and low obesity levels prevents type 2 diabetes, even in populations with high genetic susceptibility.

If you have a family history of diabetes, your risk is not fixed. The most effective way to prevent the disease is to maintain a healthy weight and stay physically active. This is especially critical if you come from a background with high genetic risk for diabetes.

Oral magnesium supplementation (2.5 g MgCl2 daily) improves insulin sensitivity and metabolic control in type 2 diabetic patients with decreased serum magnesium levels.

If you have type 2 diabetes and low magnesium levels, taking 2.5 grams of magnesium chloride daily for at least 16 weeks can significantly improve your insulin sensitivity and blood sugar control. This should be done alongside your prescribed medication (like glibenclamide) and lifestyle changes. Monitor your magnesium levels twice a year as they tend to decline.

Accelerometers provide objective, feasible measurements of physical activity and sedentary behavior in large-scale epidemiological studies, overcoming the limitations of self-report.

For researchers, accelerometers are a viable tool for collecting objective physical activity data in large cohorts. For individuals, wearing these devices can provide accurate insights into their daily movement patterns.

Being overweight (BMI >= 25.0) is associated with an increased risk of ovulatory disorder infertility, and is responsible for a larger portion of infertility cases in the US population than being underweight.

If you are overweight (BMI 25 or higher) and trying to conceive, losing weight can significantly improve your chances. The study suggests that being overweight is a major cause of ovulatory infertility in the US. Weight loss can correct hormonal imbalances like insulin resistance and high androgens, thereby restoring ovulation.

Immobilization induces anabolic resistance in human skeletal muscle, meaning that increasing amino acid availability (via infusion) fails to fully restore myofibrillar protein synthesis rates to normal levels, contributing to muscle atrophy.

If you are immobilized or bedridden, eating more protein or taking amino acid supplements will not stop muscle loss. The muscle becomes resistant to the anabolic signals from food. The only effective intervention to counteract this specific mechanism is mechanical loading (exercise), not nutrition alone.