Browse the evidence

Ketogenic, Mediterranean, and DASH diets are effective for preventing atherosclerosis due to their low carbohydrate content, high vegetable/fruit/berry content, and antioxidant richness.

Adopt a Ketogenic, Mediterranean, or DASH diet to prevent atherosclerosis. Focus on low-carbohydrate, high-vegetable, fruit, and antioxidant-rich foods.

Higher psychological resilience is associated with better physical functioning, lower disability, and reduced likelihood of frailty in older adults with type 2 diabetes.

For older adults managing type 2 diabetes, cultivating psychological resilience—defined as the ability to bounce back from adversity—is linked to maintaining physical strength and independence. While this study does not prove that resilience training directly cures frailty, it suggests that mental toughness is a key component of healthy aging. Focus on stress management and adaptive coping strategies as part of your overall diabetes care plan to potentially support physical function.

Female endurance runners exhibit a healthier dietary profile than male endurance runners, characterized by significantly higher intake of plant-based foods, water, and dairy alternatives, and significantly lower intake of processed foods, alcohol, and animal proteins.

If you are an endurance runner, note that female runners in this study tended to eat more plant-based foods, fruits, vegetables, and water, while male runners consumed more meat, processed foods, and alcohol. This suggests that focusing on whole, plant-based foods and hydration may be a beneficial dietary pattern for endurance athletes, particularly women, while men might benefit from reducing processed foods and alcohol intake.

Adherence to a low-carbohydrate diet (defined as ≤130g carbs/day or ≤25% calories) is sustainable long-term and nutritionally adequate, with high adherence rates reported in observational surveys.

To sustain a low-carbohydrate diet long-term, focus on the high satiety provided by fats and proteins. This natural hunger control makes the diet easier to maintain than calorie-restricted low-fat diets. Ensure your diet includes a variety of whole foods to meet all vitamin and mineral needs, as low-carb diets can be nutritionally complete.

Post-exercise intake of approximately 20g of protein reduces time below range (hypoglycemia) following moderate-intensity continuous training (MICT) in adults with Type 1 Diabetes.

If you have Type 1 Diabetes and do moderate continuous exercise (like jogging or cycling), eating about 20g of protein immediately after might help prevent low blood sugar overnight. This benefit was not seen with high-intensity interval training (HIIT). Always monitor your glucose and consult your care team before changing post-exercise nutrition.

In asymptomatic individuals with Type 2 Diabetes (T2D) and obesity, alternative cardiopulmonary exercise testing (CPET) indices—specifically oxygen uptake recovery, heart rate recovery, and oxygen uptake at the ventilatory threshold—are significantly impaired compared to healthy controls and are independently associated with markers of subclinical cardiovascular dysfunction (aortic stiffness, diastolic dysfunction, and microvascular impairment).

If you have Type 2 Diabetes and are overweight, standard fitness tests might not tell the whole story about your heart health. Specific recovery metrics after exercise (how fast your oxygen use and heart rate drop) and your ventilatory threshold are better indicators of early heart stress. These markers can help identify who is at risk for developing heart failure before symptoms appear, allowing for earlier lifestyle or medical intervention.

Modern agricultural systems and dietary shifts have led to widespread mineral malnutrition (specifically calcium, potassium, magnesium, and iron), which impairs immune cell metabolic adaptation and contributes to chronic low-grade inflammation and metabolic dysfunction.

Your diet's energy content (calories/macros) does not guarantee metabolic health if it lacks essential minerals. Modern farming and processing have reduced mineral density in food. If you have obesity, diabetes, or gut issues, you are at higher risk for mineral deficiencies (Ca, Mg, K, Fe) that drive inflammation. Prioritize mineral-dense whole foods and consider testing levels if you have malabsorption risks.

Moderate-intensity aerobic exercise and lifestyle modifications moderately prevent or improve diabetic peripheral neuropathy in patients with Type 2 Diabetes Mellitus (T2DM).

For Type 2 Diabetes, incorporating moderate aerobic exercise (like walking or cycling) for 20-45 minutes, three times a week, along with a healthy diet, is a moderately effective way to prevent or manage nerve damage.

Intermittent fasting (IF) promotes weight loss and metabolic health by inducing ketosis, improving insulin sensitivity, and regulating hunger hormones.

Try intermittent fasting, such as time-restricted eating (e.g., 16:8), to promote ketosis and regulate hunger hormones. It can be as effective as caloric restriction for weight loss.

Interventions lasting less than 13 weeks may be at least as effective for weight loss as those lasting 13-26 weeks, potentially due to higher retention rates.

For busy individuals, a very short program (under 3 months) might be just as effective for weight loss as a 3-6 month program, possibly because it's easier to stick with. Consider shorter, intensive options if long-term commitment is a barrier.

Early Time-Restricted Eating (eTRE) combined with calorie restriction is more effective for weight loss and fat mass reduction than delayed TRE (dTRE) or broader TRE windows.

If you can manage it, shifting your eating window to earlier in the day (eTRE) combined with a calorie deficit yields better weight and fat loss results than shifting it to later in the day (dTRE). However, if early eating is socially unsustainable, any consistent TRE window with a calorie deficit is still superior to no TRE.

Adherence to Time-Restricted Feeding (TRF) is generally high and well-tolerated, with compliance rates of 65-75% in short-term studies, and greater fasting duration is associated with higher adherence.

If you are worried about sticking to a diet, TRF is a good option. Most people find it easy to follow, with about 7 out of 10 people sticking to it for several months. Interestingly, people who fast for longer periods (e.g., 12 hours) often stick with it better than those who fast for shorter periods.

Low-carbohydrate diets improve long-term cardiovascular risk factors (specifically triglycerides and HDL cholesterol) compared to balanced diets, despite no long-term difference in weight loss.

Even if your weight stabilizes to match a balanced diet after a year, your blood lipid profile may improve on a low-carb diet. Specifically, expect lower triglycerides and higher HDL ('good') cholesterol, which are positive markers for heart health.

The reduction in energy intake from lower energy density meals is linearly related to the change in energy density, with stronger effects in adults than children and in entrée designs compared to preloads.

The calorie-reducing effect of low energy density foods is strongest in adults and when consumed as main meals (entrées). In children, the effect is smaller, and preloads may be less effective than main meals.

Early Time-Restricted Eating (eTRE) with an 8-hour window starting before noon significantly reduces body weight and fat mass while improving glycemic markers (fasting glucose, insulin, HOMA-IR) and triglycerides in young adults with delayed sleep-wake cycles, whereas late TRE (starting after noon) fails to produce these metabolic benefits.

If you are a young adult with a late sleep schedule, try shifting your eating window to start before noon (e.g., 8am-4pm or 9am-5pm) for 4 weeks. Ensure you get about 20g of extra protein daily (via snacks or shakes) to protect muscle. This specific timing appears necessary to reduce fat and improve blood sugar control; starting your window after noon may not yield these metabolic benefits.

A time-restricted eating protocol with a 16-hour fasting window (16:8) significantly reduces body mass and absolute fat mass in metabolically healthy, non-trained individuals, whereas 12-hour and 14-hour fasting windows do not produce significant changes.

If you are healthy and not trying to build muscle, try eating all your meals within an 8-hour window (e.g., 10am to 6pm) and fasting for the other 16 hours daily for 8 weeks. Do not try to restrict calories; just stick to the timing. You may lose fat mass without changing how much you eat, but 12-hour or 14-hour windows likely won't work for you.

Bariatric surgery (Roux-en-Y gastric bypass or sleeve gastrectomy) produces comparable long-term weight loss and metabolic improvements in patients with metabolic syndrome compared to those without it.

If you have severe obesity and metabolic syndrome, bariatric surgery is a highly effective option that yields long-term weight loss and metabolic improvements comparable to those without metabolic syndrome. It is currently the most effective intervention for severe cases.

Time-restricted eating (TRE) significantly improves cardiometabolic risk factors, specifically reducing insulin, total cholesterol, and LDL concentrations.

Focus on aligning your eating window with your circadian rhythm (e.g., 16:8). This may improve insulin sensitivity and lipid profiles independently of major weight loss, particularly if you have metabolic risk factors.

Intermittent fasting (IF) produces a statistically significant greater reduction in Body Mass Index (BMI) compared to continuous energy restriction (ER), although the absolute difference in total body weight loss is not statistically significant.

If you are trying to lose weight, intermittent fasting may help you reduce your BMI slightly more than just counting calories every day, even if the scale doesn't move much faster. Try a 16:8 schedule (fast for 16 hours, eat within 8 hours) or alternate-day fasting. Be aware that you might feel dizzy, while those just cutting calories might get more headaches. The key is consistency with whichever method you choose.

Intermittent fasting and continuous energy restriction produce similar improvements in blood pressure (systolic and diastolic), LDL cholesterol, and HDL cholesterol, with no statistically significant differences between the two methods.

If your goal is to lower blood pressure or improve cholesterol, you do not need to fast. Reducing your overall calorie intake through standard dieting is just as effective as intermittent fasting for these specific heart health markers. Focus on the total amount of food you eat rather than when you eat it for these outcomes.

Intermittent fasting and continuous energy restriction produce similar improvements in fasting plasma glucose levels, with no statistically significant difference between the two methods.

If your goal is to improve blood sugar levels, you do not need to fast. Reducing your overall calorie intake through standard dieting is just as effective as intermittent fasting for glycemic control. Focus on the total amount of food you eat rather than when you eat it for these outcomes.

The Swallowable Gastric Balloon Program (SGBP) combined with remote monitoring maintains 95% of total body weight loss (TBWL) one year after the device naturally passes, achieving a mean 13.2% TBWL.

If you are avoiding surgery, a swallowable gastric balloon combined with a strict remote monitoring program (app, scale, regular check-ins) can help you lose about 13% of your body weight and keep it off for at least a year after the device passes naturally. Success depends heavily on sticking to the behavioral program and using the provided digital tools for accountability.

A 7-day diet-induced energy restriction of 50% TDEE reduces body mass and fasting blood glucose without eliciting compensatory decreases in basal metabolic rate (BMR) or physical activity energy expenditure (PAEE) in overweight and obese adults.

If you are overweight or obese, a strict 7-day liquid diet cutting your calories in half can produce initial weight loss and improve blood pressure and glucose without causing your body to immediately slow down its metabolism or reduce your spontaneous movement. This suggests short-term aggressive restriction can be a viable strategy for initial health improvements, though long-term maintenance requires different strategies.

A 12-week very low-calorie ketogenic diet (800-1000 kcal/day, 70% fat, 20% protein, 10% carbs) significantly reduces body weight and body fat percentage in overweight/obese adults, but also significantly decreases resting metabolic rate (RMR) and total energy expenditure.

A 12-week very low-calorie ketogenic diet (800-1000 calories, high fat) leads to significant fat loss in obese individuals, but it also significantly slows down your resting metabolism. This metabolic slowdown is a normal adaptive response to severe calorie restriction and should be expected. Long-term maintenance requires careful refeeding strategies to mitigate metabolic adaptation.