Browse the evidence

Aerobic exercise improves functional ability (activities of daily living) in individuals with early-stage Alzheimer's disease compared to non-aerobic stretching.

For a patient with early Alzheimer's, a supervised aerobic exercise program of 150 minutes per week (spread over 3-5 sessions) can help maintain their ability to perform daily activities. The program should start slowly (e.g., 60 minutes/week) and gradually increase intensity and duration to a target of 150 minutes/week, monitoring heart rate to ensure safety.

A 4-month intervention combining moderate-intensity physical activity (walking) and moderate weight loss (~7%) restores skeletal muscle mitochondrial density and oxidative capacity in patients with type 2 diabetes, which correlates with improved insulin sensitivity and glycemic control.

If you have type 2 diabetes, you do not need to perform intense, high-impact workouts to improve your metabolic health. A consistent routine of moderate-intensity walking (keeping your heart rate at 60-70% of its maximum) for about 40 minutes, combined with a modest weight loss of around 7%, can significantly increase the number and function of mitochondria in your muscles. This biological improvement directly helps lower your blood sugar and improves how your body responds to insulin.

Long-term weight loss maintenance is achieved through a multidisciplinary lifestyle modification approach featuring extended care, high physical activity, self-monitoring, and cognitive-behavioral strategies, rather than short-term dieting alone.

To keep weight off long-term, you must treat maintenance as a separate, active phase, not just the end of a diet. Adopt a routine that includes daily self-weighing, eating breakfast, and about an hour of daily physical activity. Engage in a structured program with regular check-ins (monthly or more) with a counselor or healthcare provider to maintain accountability and address psychological barriers like self-efficacy.

Weight loss, particularly through bariatric surgery or intensive diet, significantly reduces the severity of Obstructive Sleep Apnea (OSA) and Obesity Hypoventilation Syndrome (OHS), though complete resolution is not guaranteed.

Losing weight is the most effective way to reduce the severity of sleep apnea. Even if you don't achieve complete remission, significant weight loss (via surgery or diet) can drastically reduce the number of breathing pauses and lower the pressure needed for CPAP therapy.

Low-volume high-intensity interval training (HIT) using a 1:1 work-to-rest ratio (1 min at ~100% peak power, 1 min at ~20% peak power) yields higher post-exercise enjoyment and preference than continuous vigorous-intensity (CVI) exercise, while maintaining self-efficacy comparable to continuous moderate-intensity (CMI) exercise.

If you struggle to stick with exercise because long sessions feel boring or painful, try a 20-minute High-Intensity Interval Training (HIT) session on a bike. Do 1 minute of hard effort (where you can barely speak) followed by 1 minute of easy pedaling. Repeat this cycle 10 times. This protocol often feels more enjoyable and is preferred by inactive adults over longer, moderate-paced workouts, making it easier to build a consistent habit.

A multi-component school-based intervention targeting diet and physical activity produces sustained improvements in dietary fat intake and vigorous physical activity for at least three years after the intervention ends.

Implementing a comprehensive, multi-component health program in schools (covering diet, activity, and family engagement) can lead to sustained improvements in children's eating habits and physical activity levels for years after the program ends. However, these behavioral improvements may not immediately translate into significant changes in physiological markers like BMI or blood pressure in healthy children. The key is establishing long-term behavioral habits through environmental and educational support.

A low-glycemic load diet during caloric restriction attenuates the decline in resting energy expenditure (REE) and reduces hunger compared to a low-fat diet, while improving cardiovascular risk factors, despite achieving similar weight loss.

If you are struggling with hunger and fatigue while trying to lose weight, consider shifting from a standard low-fat diet to a low-glycemic load diet. This involves choosing carbohydrates with a lower glycemic index (like whole grains, legumes, and non-starchy vegetables) and managing portion sizes of carbs. This approach may help you feel less hungry and preserve your metabolic rate better than simply cutting fat, potentially making your weight loss journey more sustainable and improving heart health markers like blood pressure and inflammation.

Dietary fat type influences postprandial lipemia, with long-chain n-3 polyunsaturated fatty acids (PUFA) from fish oil significantly reducing postprandial triacylglycerol levels compared to saturated (SFA) or monounsaturated (MUFA) fats, provided sufficient doses (2.7-4 g/d) are consumed.

Not all fats affect your blood fat levels after a meal the same way. Consuming high amounts of long-chain n-3 PUFA (found in fatty fish like salmon) can significantly reduce the spike in triglycerides after eating. To get the benefit, you may need to consume 2.7-4 grams per day, which might require eating fatty fish daily or taking a supplement.

Physical activity, particularly aerobic exercise performed before a meal, significantly reduces postprandial lipemia and increases lipoprotein lipase (LPL) activity, improving lipid clearance.

Moving your body before you eat can help your body clear fat from your blood more effectively. An acute bout of aerobic exercise before a high-fat meal can reduce postprandial lipemia by 24-35%. You don't need to exercise right before every meal, but physical activity within 24 hours can improve lipid clearance.

Providing reassurance, clear advice, and enjoyable exercise programs can encourage greater participation in exercise for people with osteoarthritis.

To stick with exercise, choose programs that are enjoyable and relevant to you. Seek out providers who offer clear advice and reassurance about the safety and value of exercise, rather than just reading pamphlets.

In hypertensive populations (SBP ≥140 mmHg), various exercise types (endurance, resistance, isometric, combination) are equally effective as most antihypertensive medications (ACE-I, ARB, beta-blockers, diuretics).

If you have high blood pressure, structured exercise is a powerful tool that works as well as common blood pressure medications. You can use exercise as a primary treatment or alongside medication. Consult your doctor to determine the best approach for your specific case.

Combination exercise (endurance + resistance) is more effective than dynamic resistance alone for lowering SBP.

Combining cardio and strength training may lower blood pressure more than strength training alone. Try to include both types of exercise in your routine.

Initial weight loss goal of 5-10% within 6 months via caloric restriction (1200-1500 kcal/day for women, 1500-1800 kcal/day for men) and moderate aerobic/resistance exercise is the standard lifestyle intervention for obesity management.

Aim to lose 5-10% of your body weight in the first 6 months. For women, this likely means eating 1200-1500 calories a day; for men, 1500-1800. Combine this with 30-60 minutes of moderate exercise (like brisk walking) 5 days a week and basic strength training twice a week. This is the standard, evidence-based first step.

Web-based computer-tailored nutrition education significantly increases personal awareness of dietary intake (fat, fruit, vegetables) and intention to change compared to general, non-tailored nutrition information.

To motivate dietary change, use a web-based tool that provides personalized feedback on your specific fat, fruit, and vegetable intake compared to recommendations. This tailored approach is more effective than general advice because it increases personal awareness and relevance, leading to stronger intentions to change. You do not need advanced computer skills to benefit from this method.

Increasing physical activity to at least 150 minutes per week improves liver enzymes and metabolic indices in patients with nonalcoholic fatty liver disease (NAFLD), independent of weight loss.

If you have fatty liver, aim for at least 150 minutes of moderate activity (like brisk walking) per week. You don't necessarily need to lose weight to see improvements in your liver enzymes, though weight loss is still beneficial. Start with small increases if you are currently sedentary, as even 60 minutes of activity per week can help. Focus on consistency rather than intensity or gym membership.

Adiponectin levels are negatively correlated with obesity, type 2 diabetes, and cardiovascular disease, and healthy nutrition (specifically unsaturated fats and omega-3) significantly increases adiponectin levels.

Focus on a healthy diet rich in unsaturated fats and omega-3 fatty acids (like fish oil) to boost your body's natural adiponectin levels. Higher adiponectin is linked to better insulin sensitivity, lower inflammation, and reduced risk of heart disease and diabetes. This is achieved through whole foods like fruits, vegetables, whole grains, and fish, rather than processed foods high in saturated fats.

Intensive and continuous physical activity participation during school age is a strong predictor of high physical activity levels in adulthood, whereas inactivity tends to track from youth to adulthood.

Encourage children and teenagers to engage in regular, intensive physical activity or sports clubs. The specific sport matters less than the consistency and intensity. Establishing this habit early creates a strong trajectory toward an active adult life, while early inactivity is likely to persist.

Engaging in any physical activity before pregnancy is associated with a 30% reduction in the odds of developing gestational diabetes mellitus (GDM) compared to no activity.

If you are planning to get pregnant, start moving now. You do not need to be an athlete; any regular physical activity before conception can lower your risk of gestational diabetes by about 30% compared to being sedentary. Focus on consistency rather than intensity.

Adherence to Mediterranean (MedDiet) or DASH dietary patterns is associated with a 15–38% reduction in the relative risk of developing GDM.

Adopting a Mediterranean or DASH-style diet before pregnancy can lower your risk of gestational diabetes by 15-38%. Focus on vegetables, fruits, whole grains, legumes, and olive oil, while limiting red meat and processed foods.

Increasing exercise training dose (volume) eliminates cardiorespiratory fitness (CRF) non-response in healthy individuals, with hemoglobin mass being the primary determinant of this improvement.

If you have been exercising consistently for a few weeks and see no improvement in your fitness, do not conclude that you are a 'non-responder.' The research indicates that your current exercise volume is likely too low to trigger the necessary physiological adaptations. To see improvements, you must significantly increase your total exercise time (volume) per week, as higher doses eliminate non-response.

Adherence to vegetarian or vegan dietary patterns is associated with a significantly reduced risk of coronary heart disease (CHD) mortality and type 2 diabetes mellitus (T2DM) compared to regular meat-eating.

To lower your risk of heart disease and type 2 diabetes, shift your diet towards plant-based foods. You do not need to be strictly vegan; even reducing meat intake and increasing fruits, vegetables, legumes, and whole grains yields significant benefits. Ensure you monitor key nutrients like B12 and Iron, especially if you are vegan.

Vegetarian and vegan diets are associated with lower body mass index (BMI) and reduced weight gain over time compared to omnivorous diets.

If you want to manage your weight, adopting a plant-based diet can help. Vegetarians and vegans tend to have a lower BMI and gain less weight over time than meat-eaters. Focus on whole plant foods like fruits, vegetables, legumes, and whole grains.

Viscous soluble fibers (e.g., psyllium, oat beta-glucan) reduce LDL-cholesterol by 5-10% when consumed at doses of 5-10 g/day, primarily by reducing ileal bile acid absorption.

Incorporate 5-10 grams of viscous soluble fiber daily into your diet. Good sources include psyllium husk, oat bran, or guar gum. This specific type of fiber is proven to lower LDL cholesterol by binding bile acids. For best results, combine this with a diet low in saturated fats and consider adding soy protein and plant sterols for a synergistic effect.

Postpartum weight loss interventions combining diet and exercise, or diet alone, significantly reduce body weight compared to usual care, whereas exercise alone does not produce significant weight loss.

For postpartum weight loss, combining diet with exercise or using diet alone is effective, but exercise alone is not. Focus on creating an energy deficit through dietary changes, as exercise alone did not result in significant weight loss in the reviewed trials. These interventions do not appear to negatively impact breastfeeding or infant growth.