Browse the evidence

Resistance training load (intensity) and weekly frequency impact muscular strength gains, whereas volume (number of sets) influences both strength and hypertrophy.

To maximize strength, prioritize higher loads and higher training frequencies. To maximize muscle size, prioritize higher training volumes (more sets per muscle group). These variables are distinct drivers for different adaptations.

Semaglutide induces significant weight loss in type 2 diabetes patients across all BMI subgroups, with the effect being primarily direct rather than mediated by gastrointestinal side effects.

If you have type 2 diabetes, semaglutide (0.5mg or 1.0mg once weekly) will likely help you lose weight (2-6kg more than other common diabetes drugs), regardless of your starting weight. This weight loss happens directly through hormonal mechanisms, not just because you feel nauseous, although nausea is a common side effect.

High levels of physical inactivity and consumption of sugary beverages are primary drivers of obesity prevalence in Saudi Arabia, with inactive individuals showing significantly lower risk reduction compared to active males.

Focus on reducing sugary beverage intake and increasing physical activity, even in small amounts, as inactivity is a major driver of obesity in this region.

High intake of refined grains (≥350 g/day) is associated with a significantly higher risk of total mortality and major cardiovascular disease events compared to low intake (<50 g/day).

If you eat a lot of refined grains (like white bread, pasta, or pastries), try to reduce your intake. This study suggests that eating less than 50g per day (very low) is associated with the lowest risk, while eating 350g or more (about 7 servings) is linked to higher death and heart disease risk. You don't necessarily need to cut out whole grains or white rice, which showed no significant association in this study, but reducing refined grains is a key step for heart health and longevity.

Post-bariatric resistance training combined with whey protein supplementation significantly increases relative lower-limb muscle strength compared to usual care or protein supplementation alone.

If you've had Roux-en-Y gastric bypass, don't just rely on protein shakes to keep your strength. Start supervised resistance training about 6 weeks after surgery. Do 3 days a week, focusing on major muscle groups. Start with light weights (50% of what you can lift once) and gradually increase the weight as you get stronger. Also, make sure you're getting about 48 grams of whey protein daily in addition to your regular diet to support your muscles.

Sustained, long-term improvements in cardiorespiratory fitness (CRF) and weight loss are associated with a lower risk of incident heart failure in adults with type 2 diabetes.

Maintaining fitness and weight loss over several years is crucial for preventing heart failure in type 2 diabetes. Focus on long-term consistency rather than quick fixes, as sustained improvements in aerobic capacity and weight are linked to better heart health outcomes.

Produce prescription programs, which provide financial incentives for low-income individuals to purchase fruits and vegetables, significantly improve fruit and vegetable intake, reduce food insecurity, and yield clinically relevant improvements in glycated hemoglobin, blood pressure, and BMI for adults with poor cardiometabolic health.

If you or your family are struggling to afford fresh produce, look for local 'produce prescription' programs often offered through community health centers or clinics. These programs provide vouchers or cards to buy fruits and vegetables, often for free or at a reduced cost, which can help lower blood pressure and blood sugar while improving overall diet quality.

Combining incretin-mimetic drug therapy with resistance training and adequate protein intake minimizes skeletal muscle loss and preserves metabolic health.

To keep your muscle while losing weight on GLP-1 drugs, you must lift weights at least twice a week and eat enough protein (aim for 1.0-1.5g per kg of your goal weight). This combination is the only way to ensure the weight you lose comes from fat, not muscle.

Antiobesity medications (AOMs) such as semaglutide and tirzepatide significantly reduce energy intake and appetite, necessitating a shift in nutritional focus from caloric restriction alone to ensuring nutrient density and adequate protein intake to prevent lean mass loss and deficiencies.

When starting semaglutide or tirzepatide, your appetite will drop significantly. Do not just eat less; eat smarter. Prioritize protein (aim for 60-75g daily or up to 1.5g per kg of body weight) and nutrient-dense foods like vegetables, lean meats, and whole grains. This protects your muscle and ensures you get necessary vitamins despite eating smaller portions.

Adequate dietary protein intake (60-75 g/day or up to 1.5 g/kg body weight/day) is critical during AOM therapy to preserve lean body mass and prevent complications like weakness and edema, especially in older adults.

To keep your muscles while losing weight, aim for 60-75 grams of protein daily, or up to 1.5 grams per kilogram of your body weight. Eat high-protein foods first at each meal. This is especially important if you are older to prevent falls and muscle loss.

Whey protein supplementation accelerates the recovery of muscle contractile function (strength/torque) following resistance training, with small-to-medium effects observed between 24 and 96 hours post-exercise.

Take 25g of whey protein after your resistance training session to help your muscles regain strength faster over the next 24-96 hours. Note that this helps your strength return, but it may not stop you from feeling sore or lower inflammation markers.

Excessive consumption of free sugars, particularly from sugar-sweetened beverages (SSBs) and high-fructose corn syrup, negatively impacts human health by promoting obesity, type 2 diabetes, cardiovascular disease, and cognitive impairment through mechanisms like insulin resistance, de novo lipogenesis, and neuroinflammation.

To protect your metabolic and cognitive health, prioritize reducing free sugars, especially from sugar-sweetened beverages and high-fructose corn syrup. Aim for less than 5% of your daily calories from added sugars (approx. 25g for women, 36g for men, per AHA/WHO). Focus on whole food sources of carbohydrates (vegetables, whole grains, whole fruits) which provide fiber and nutrients, rather than isolated sugars. This helps mitigate risks of insulin resistance, liver fat accumulation, and cognitive decline.

Achieving a weight loss of ≥5% is clinically meaningful for improving cardiometabolic risk factors and is the threshold for FDA approval of anti-obesity medications, though greater losses (≥10-15%) are required for remission of conditions like type 2 diabetes and NASH.

Aim for a 5% weight loss as a primary, achievable goal to significantly improve your heart health and metabolic markers. If you have specific conditions like Type 2 Diabetes or NASH, discuss with your doctor if a higher target (10-15%) is needed for remission, but do not let the higher target discourage you from starting with the 5% goal, which brings substantial health benefits.

Performing resistance training through a full range of motion (ROM) confers beneficial effects on hypertrophy of the lower body musculature compared to partial ROM.

For building lower body muscle, prioritize exercises that allow you to move through a full range of motion (e.g., full squats, full leg presses). While partial ROM can be useful, current evidence suggests full ROM is superior for overall muscle growth in the legs. Ensure you are training 2-3 times per week with sufficient volume.

Lifestyle interventions, specifically a Mediterranean diet and 150-300 minutes of moderate or 75-150 minutes of vigorous exercise weekly, are recommended to induce weight loss and improve cardiovascular risk factors in patients with Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD).

Adopt a Mediterranean-style diet focused on reducing total calories, saturated fats, and processed sugars while increasing intake of fish, vegetables, nuts, and fiber. Combine this with at least 150 minutes of moderate exercise (like brisk walking) or 75 minutes of vigorous exercise per week. Aim for a 5-10% reduction in body weight to significantly improve liver health and cardiovascular risk.

Weight loss is achieved through a negative energy balance, and macronutrient composition (low-carb vs. low-fat) has no major independent impact on weight loss outcomes when caloric deficit is matched.

To lose weight, you must consume fewer calories than you burn. The specific type of diet (low-carb, low-fat, etc.) matters less than maintaining a consistent daily energy deficit of about 500 kcal. Adjust your intake as you lose weight to maintain the deficit.

Structured low-calorie total diet replacement (825–853 kcal/day) for 12–20 weeks followed by food reintroduction can induce remission of type 2 diabetes in a significant subset of patients, defined as HbA1c <48 mmol/mol without diabetic medications.

If you have Type 2 Diabetes and obesity, ask your doctor about a Total Diet Replacement (TDR) program. This involves consuming 825-853 calories a day for 3-5 months using specific meal replacements, followed by a gradual return to solid foods. This approach has been shown to put diabetes into remission for over a third of participants, especially if you lose 10kg or more. It requires medical supervision to adjust your diabetes medications safely.

Bariatric surgery is a safe, effective, and durable treatment for severe obesity in people with Type 2 Diabetes, leading to significant weight loss and high rates of diabetes remission, yet it remains significantly underutilized.

If you have severe obesity and Type 2 Diabetes, bariatric surgery is the most effective treatment for long-term weight loss and diabetes remission. It is recommended for those with a BMI over 35, or over 30 if your diabetes is recent. Despite being safe and effective, it is underused. Discuss with your specialist if you are a candidate, keeping in mind the need for lifelong vitamin supplementation and monitoring.

High-dose GLP-1 receptor agonists (specifically semaglutide 2.4 mg) combined with lifestyle interventions produce significant, sustainable weight loss (-14.9% body weight) and improved glycemic control in patients with diabesity, making them superior to insulin and other antidiabetic agents regarding weight management.

If you have both diabetes and obesity, ask your doctor about GLP-1 agonists like semaglutide (2.4 mg). This treatment, combined with diet and exercise changes, has been shown to help patients lose nearly 15% of their body weight over 68 weeks while also controlling blood sugar. It is often more effective for weight loss than insulin, which tends to cause weight gain. Be aware that you might experience some nausea or vomiting at first, but these symptoms usually go away, and the long-term health benefits are significant.

Weight loss of 15 kg can induce remission of Type 2 Diabetes in approximately 70% of individuals, and even smaller weight losses (5 kg) improve insulin sensitivity and glycemic control, highlighting the primacy of lifestyle interventions in diabesity management.

Losing weight is the most powerful tool for managing Type 2 Diabetes. Losing 15 kg can put diabetes into remission for about 70% of people. Even losing 5 kg improves how your body uses insulin. To succeed, combine dietary changes (like Mediterranean or low-carb diets) with regular exercise. Focus on stepwise, realistic goals rather than quick fixes to ensure long-term success.

An 8-week low-carbohydrate diet combined with prescribed aerobic and resistance exercise significantly improves cardiorespiratory fitness (VO2peak) and reduces fat mass index more effectively than exercise with standard dietary advice in obese individuals.

If you are obese, combining a low-carb diet (under 50g carbs/day) with a structured exercise program (mix of cardio and weights, 4x/week) for 8 weeks will likely improve your heart health and reduce body fat more than just exercising with standard dietary advice. Be aware that you might lose some muscle mass, but the exercise helps mitigate this.

Lifestyle therapy, specifically smoking cessation, is the single most important component of lifestyle management for patients with cardiorenal and metabolic diseases.

Stop smoking. It is the single most impactful lifestyle change you can make for your heart, kidneys, and metabolic health. Ask your doctor for support to help you quit.

Adequate sleep (7-9 hours nightly) is a critical lifestyle factor that decreases risks of insulin resistance, hypertension, hyperglycemia, dyslipidemia, and inflammation.

Prioritize getting 7-9 hours of sleep each night. Poor sleep directly worsens your blood sugar, blood pressure, and inflammation.

High sodium intake, low whole grain intake, and low fruit intake are the three largest contributors to diet-related deaths and disability-adjusted life years globally.

Prioritize reducing sodium, increasing whole grains, and increasing fruit intake as the top three dietary changes for global health impact. Be mindful of regional dietary patterns, such as high refined carbohydrate intake in Asian diets, when making these swaps.