Browse the evidence

African American women with obesity and low insulin sensitivity lose significantly more fat mass and maintain higher total energy expenditure when following a low-carbohydrate diet compared to a low-fat diet.

If you are an African American woman with obesity and have struggled to lose weight on standard low-fat diets, switching to a low-carbohydrate approach (around 20% carbs, 55% fat) may help you lose more fat and keep your metabolism higher. This benefit is specifically linked to having lower insulin sensitivity, which is common in this demographic. Focus on whole foods, complex carbohydrates, and healthy fats while maintaining a caloric deficit.

Lifestyle interventions, specifically calorie-restricted diets combined with at least 150 minutes of weekly aerobic exercise, are the first-line treatment for improving insulin sensitivity in women with PCOS.

Start with lifestyle changes before medication. Focus on eating fewer calories and aiming for 150 minutes of aerobic exercise per week, ensuring at least 90 minutes are vigorous. Prioritize sleep and mental health, as these support metabolic health. If lifestyle changes are too difficult to sustain alone, consider adding insulin-sensitizing drugs like Metformin as a chronic treatment option.

Ketogenic diets result in significantly greater weight loss and improvements in metabolic markers (insulin, HbA1c) compared to standard low-fat or non-ketogenic calorie-restricted diets in overweight or obese individuals, particularly those with type 2 diabetes.

If you are overweight or have Type 2 Diabetes, a ketogenic diet (very low carb, moderate protein, high fat) is likely to produce faster and more significant weight loss and metabolic improvements than a standard low-fat diet. This is driven by lower insulin levels, which allows your body to access fat stores more easily.

Interrupting prolonged sitting with physical activity breaks significantly reduces post-prandial blood glucose, insulin, and triacylglycerol levels compared to continuous sitting.

If you sit for long periods, don't just stand up. Get up and move with light physical activity (like walking or cycling) for short breaks throughout the day. This actively lowers your blood sugar and insulin levels after eating, which is better for metabolic health than just sitting or standing still.

GLP-1 receptor agonists (specifically liraglutide) induce significant weight loss and improve metabolic parameters (insulin sensitivity, testosterone) in obese women with PCOS, offering a therapeutic avenue for infertility associated with this condition.

For women with PCOS and obesity, GLP-1 receptor agonists like liraglutide (1.2-3.0 mg daily) are a clinically supported pharmacological option to induce weight loss and reduce testosterone levels when lifestyle changes alone have failed or are difficult to maintain. This intervention targets the underlying hormonal and metabolic drivers of infertility.

Weight loss of 10% or more through lifestyle interventions (hypocaloric diet and exercise) is necessary to achieve regression of liver fibrosis in patients with NAFL/NASH.

To reverse liver scarring (fibrosis), you need to lose at least 10% of your body weight. This requires a daily calorie deficit of about 750 calories combined with 200 minutes of walking per week. While losing 3-5% helps fat and 5-7% helps inflammation, hitting that 10% mark is what actually reverses fibrosis. This is the most effective treatment available, but it is hard to maintain.

Combining SGLT-2 inhibitors with appetite-suppressing agents (like GLP-1 receptor agonists or phentermine) overcomes the counter-regulatory increase in food intake, resulting in significantly greater weight loss (3–7.3 kg) than either drug alone.

If SGLT-2 inhibitors alone aren't moving the needle enough, combining them with an appetite suppressant (like a GLP-1 agonist or phentermine) is a proven strategy. This combo tackles weight loss from two angles: peeing out calories and feeling less hungry. Clinical trials show this can lead to 3–7 kg of weight loss, significantly more than either drug used by itself.

Exercise-based cardiac rehabilitation significantly reduces all-cause hospital admissions in patients with coronary heart disease.

Participating in supervised exercise programs after a heart event can significantly reduce the number of times you need to be hospitalized. This is a key benefit of cardiac rehabilitation.

Administration of specific probiotic strains (e.g., Lactobacillus gasseri BNR17, L. acidophilus La5, Bifidobacterium lactis Bb12) and prebiotics (e.g., inulin-type fructans) reduces abdominal visceral fat, body weight, and fasting plasma glucose in overweight or obese individuals.

If you are overweight with visceral fat, adding specific probiotic strains (like L. gasseri or B. lactis) or prebiotics (like inulin) to your daily diet for at least 12 weeks can help reduce belly fat and improve blood sugar control. This works best when combined with a healthy diet, as the bacteria help regulate satiety hormones.

Adherence to the Dutch Healthy Diet index 2015 (DHD15-index) is significantly associated with lower BMI, lower energy intake, and reduced consumption of total and saturated fats, while being positively associated with higher intake of fiber and micronutrients.

To improve your diet quality score, focus on eating at least 200g of vegetables and fruit daily, choosing wholegrain products, limiting red and processed meat, and reducing sweetened beverages. This pattern is associated with lower BMI and better nutrient intake.

Engaging in brief, sporadic bouts of vigorous-intensity physical activity (VILPA) lasting 1-2 minutes during daily life significantly reduces all-cause, cardiovascular, and cancer mortality in non-exercisers, with effects comparable to structured vigorous exercise.

You do not need to join a gym or set aside large blocks of time for exercise to significantly lower your risk of death from heart disease or cancer. Look for opportunities in your daily routine to move vigorously for just 1-2 minutes at a time. Examples include climbing stairs quickly, walking very fast to catch a bus, or moving briskly between tasks. Doing this 3 times a day (totaling about 4-5 minutes) provides substantial health benefits comparable to structured exercise.

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.

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.

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.

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.

Regular, supervised, individualized exercise (aerobic, resistance, balance, or combined) is safe and effective for improving cardiorespiratory fitness, muscle strength, fatigue, and quality of life in patients with multiple sclerosis (MS), without triggering disease exacerbation.

Start with a medical screening to ensure safety. Begin with low-to-moderate intensity aerobic exercise (like walking or cycling) for 10-40 minutes, 2-5 times a week. Add resistance training 2-3 times a week using machines for safety. If you get hot or tired, use cooling strategies (fans, cool water) and take breaks. Focus on consistency and gradual progression rather than intensity. Consult a specialist to tailor the program to your specific disability level.

Physical exercise is the only therapeutic strategy currently shown to have a positive effect in managing and preventing sarcopenia and its adverse health outcomes.

If you are older and losing muscle, exercise is the only proven way to fight back. Focus on progressive resistance training. Hormones and supplements are not currently proven to work for this specific condition.

Microalgae species such as Chlorella vulgaris and Arthrospira platensis provide high-quality protein with essential amino acid scores (AAS) equal to or exceeding those of animal-derived proteins, making them viable alternatives for human nutrition.

If you are looking for a high-quality protein source, consider microalgae like Chlorella or Spirulina. They contain all essential amino acids in amounts that meet or exceed the requirements for human health, rivaling the quality of animal proteins. This makes them a sustainable and effective option for meeting your daily protein needs.

Higher consumption of sugar-sweetened beverages (SSBs) is positively associated with increased body weight and BMI in both children and adults, based on prospective cohort studies and randomized controlled trials.

To manage weight, reduce or eliminate sugar-sweetened beverages. The evidence shows a consistent positive link between SSB intake and weight gain/BMI in both children and adults. Replacing SSBs with water or other non-caloric beverages is a recommended public health strategy.

Postprandial glucose response to identical meals varies significantly between individuals, suggesting that personalized nutrition based on glycemic response is more effective than standardized dietary guidelines focused solely on macronutrient composition.

Generic dietary advice (like 'low carb') may not work for everyone. Your body's response to specific foods (e.g., milk/cereal vs. protein bars) varies. Using CGM to test your response to specific foods can help you identify which foods cause severe glucose spikes for you personally, allowing for personalized nutrition.