Browse the evidence

Total Diet Replacement (TDR) using meal replacements in very-low-calorie diets (VLCDs) produces significantly greater weight loss (average >10 kg over 12 months) and superior diabetes remission rates compared to usual care or food-based diets.

If you have obesity or Type 2 Diabetes, using Total Diet Replacement (TDR) with meal replacements for 3-5 months, followed by maintenance with 1-2 meal replacements daily, is a clinically proven strategy. It leads to significantly more weight loss (average 10kg+) and higher diabetes remission rates than standard advice. Ensure you work with a healthcare provider for medical supervision, especially during the initial very-low-calorie phase.

Progressive resistance training protocols must manipulate variables such as intensity, volume, and exercise selection to stimulate adaptation toward specific goals like strength, hypertrophy, or power.

To build strength or muscle, you must progressively challenge your body. Start with 8-12 reps per set. Once you can do 1-2 extra reps comfortably, increase the weight by 2-10%. Do 2-3 sets if you are new, but move to 3-4+ sets if you have been training for months. Prioritize compound movements like squats and presses.

Adherence to a low-risk lifestyle profile (BMI <25, high cereal fiber/polyunsaturated fat, low trans fat/glycemic load, moderate-to-vigorous exercise, no smoking, moderate alcohol) reduces the risk of type 2 diabetes by approximately 91% compared to non-adherent women.

To drastically lower your risk of type 2 diabetes, focus on maintaining a healthy weight (BMI under 25), eating a diet rich in fiber and healthy fats while avoiding trans fats and high-glycemic foods, exercising for at least 30 minutes daily, not smoking, and if you drink, do so moderately. You don't need to be perfect; even adhering to three of these habits can prevent the majority of diabetes cases.

Adhering to the AHA 2006 Diet and Lifestyle Recommendations substantially reduces the risk of developing cardiovascular disease (CVD) by addressing multiple risk factors including blood pressure, lipid profiles, and body weight.

To protect your heart, focus on your overall diet rather than just one 'superfood.' Eat plenty of vegetables, fruits, and whole grains, and choose lean proteins like fish at least twice a week. Limit saturated fats to less than 7% of your calories and avoid trans fats. Stay physically active for at least 30 minutes most days. These combined lifestyle changes offer the best protection against heart disease.

Adherence to the Mediterranean Diet (MedDiet) significantly reduces the incidence of cardiovascular disease (CVD), including myocardial infarction, stroke, and cardiovascular mortality, in both primary and secondary prevention populations.

Adopt a Mediterranean-style eating pattern as your primary dietary strategy for heart health. Prioritize extra-virgin olive oil as your main fat source, consume plenty of vegetables, fruits, legumes, and nuts, and include moderate amounts of fish and poultry. If you are at high risk for heart disease, this pattern has been shown in large trials to significantly reduce the risk of heart attack and stroke compared to standard low-fat advice.

Structured weight reduction combined with intensive cardiometabolic risk factor management significantly reduces atrial fibrillation symptom burden, severity, and arrhythmia duration compared to general lifestyle advice alone in overweight/obese patients.

For patients with atrial fibrillation and obesity, a structured weight loss program that includes a short period of very-low-calorie dieting followed by lifestyle maintenance, combined with aggressive management of blood pressure and cholesterol, significantly reduces AF symptoms and arrhythmia duration compared to standard advice alone.

Consumption of sugar-sweetened beverages (SSBs) is causally associated with increased body weight, type 2 diabetes, and coronary heart disease risk, primarily due to poor satiation of liquid calories and metabolic effects of high glycemic load.

Reduce or eliminate sugar-sweetened beverages (soda, sweetened juice, energy drinks) to lower your risk of weight gain, type 2 diabetes, and heart disease. Liquid calories from sugar do not make you feel full like solid food, leading to higher overall calorie intake. Switching to water or non-caloric beverages is a high-impact change for long-term health.

Obesity is a multisystem disease where excess adiposity causes comorbidities across multiple organ systems (cardiovascular, metabolic, malignancy, mental health), and weight loss can prevent or reverse many of these conditions.

Obesity is a serious medical condition affecting your heart, liver, brain, and risk of cancer, not just your appearance. Treating it with weight loss can prevent or reverse many of these health issues. Seek medical help for obesity as you would for any other chronic disease.

Chronic endurance training induces skeletal muscle adaptations, including increased mitochondrial density and capillary supply, which shift fuel reliance toward fat oxidation and reduce glycolytic flux, thereby enhancing endurance performance capacity.

To improve endurance, focus on training that specifically targets your sport's demands. Your body adapts by building more mitochondria and blood vessels, allowing you to burn fat more efficiently and spare glycogen. Don't just add endless miles; ensure your training intensity and duration are sufficient to trigger these adaptations, as there is a point of diminishing returns where more volume adds fatigue without further performance gains.

Bariatric-metabolic surgery (Roux-en-Y gastric bypass or sleeve gastrectomy) significantly increases the probability of histological NASH resolution without worsening fibrosis compared to lifestyle modification plus best medical care in patients with obesity and NASH.

For individuals with obesity and confirmed NASH, bariatric surgery (Roux-en-Y or sleeve gastrectomy) is a highly effective treatment for resolving liver inflammation and fibrosis, far outperforming lifestyle changes and medical therapy alone. This should be considered a primary treatment option for eligible patients.

Adhering to a cluster of ideal lifestyle practices (regular physical activity, sound nutrition, weight management, and tobacco avoidance) reduces the risk of cardiovascular disease by more than 80% and diabetes by more than 90%.

To drastically lower your risk of heart disease and diabetes, focus on four core daily habits: move moderately for at least 150 minutes a week, eat a diet rich in plants and whole grains, maintain a healthy weight, and do not smoke. You do not need to be perfect; even small improvements in these areas yield significant health benefits.

Smoking cessation significantly reduces the risk of cardiovascular disease and stroke, with substantial benefits accruing over a very brief period of time.

If you smoke, quitting is one of the most impactful things you can do for your heart health. The benefits start quickly, so seek support through counseling or medications to help you quit.

Metabolic surgery (RYGB, SG, BPD) is superior to medical management for achieving type 2 diabetes remission and glycemic control in patients with BMI ≥35 kg/m², with remission rates significantly higher than lifestyle or pharmacological interventions alone.

If you have Type 2 Diabetes and obesity (BMI ≥35), metabolic surgery is currently the most effective treatment for achieving remission, far outperforming diet and medication alone. While surgery carries risks, modern techniques have made it as safe as common procedures like gallbladder removal. Consult a bariatric surgeon to evaluate if you are a candidate.

Adherence to a Mediterranean diet (MedDiet) is associated with reduced body weight, lower BMI, and a decreased risk of incident overweight or obesity compared to control diets or low-adherence groups.

Adopt a Mediterranean-style eating pattern as your default. Focus on daily consumption of vegetables, fruits, whole grains, legumes, nuts, and olive oil. Eat fish 2-3 times a week and limit red/processed meats and sweets. You do not need to count calories strictly, but prioritize whole, minimally processed foods. This approach is sustainable, tasty, and has strong evidence for preventing weight gain and obesity.

Mediterranean, DASH-style, pescetarian, and ovo/lacto-vegetarian dietary patterns, when implemented as intended, strongly align with 2021 AHA Dietary Guidance and support optimal cardiovascular health.

Adopt a Mediterranean, DASH, pescetarian, or vegetarian diet as your primary way of eating. Focus on vegetables, fruits, whole grains, and healthy fats like olive oil. If you eat animal products, choose lean meats, fish, or low-fat dairy. This approach is flexible, culturally adaptable, and strongly supported by heart health guidelines.

High-quality carbohydrate diets (emphasizing whole grains, pulses, fruit, low glycemic index/load, and high viscous fiber) decrease intermediate cardiometabolic risk factors and are associated with reduced incidence of diabetes, cardiovascular disease, and mortality, whereas low-carbohydrate diets show no long-term superiority for weight loss or sustained glycemic control.

Focus on the quality of carbohydrates rather than restricting their quantity. Prioritize whole grains (especially oats and barley), pulses, fruit, and high-fiber foods. Limit sugar-sweetened beverages. This approach is associated with better long-term weight management and reduced risk of diabetes and heart disease compared to low-carbohydrate diets.

Dietary guidelines should prioritize overall diet quality and minimally processed foods over isolated nutrient targets (such as total fat or calories) to effectively prevent chronic disease and obesity.

Stop obsessing over single nutrients like total fat or strict calorie counting. Instead, build your diet around minimally processed, nutrient-dense foods like vegetables, fruits, nuts, seeds, beans, whole grains, and healthy oils. Actively avoid ultra-processed foods high in refined sugars, starches, and industrial additives like trans fats.

Adherence to a Mediterranean dietary pattern significantly reduces the risk of major cardiovascular events, all-cause mortality, and coronary heart disease mortality in both primary and secondary prevention populations.

Adopt a Mediterranean-style eating pattern as your default. Fill your plate with vegetables, fruits, legumes, nuts, and whole grains. Use extra virgin olive oil as your primary fat source and eat fatty fish regularly. Limit red meat, sweets, and processed foods. This pattern is proven to significantly lower your risk of heart attack, stroke, and death.

Adherence to a DASH dietary pattern significantly lowers systolic and diastolic blood pressure, with greater effects observed in hypertensive individuals, and this effect is amplified by low sodium intake.

Follow the DASH diet: eat plenty of vegetables, fruits, whole grains, and low-fat dairy, while limiting red meat, saturated fat, and sugar. To maximize blood pressure benefits, also reduce your sodium intake. This combination is highly effective for lowering blood pressure, especially if you have hypertension.

Creatine supplementation (3-5 g/day maintenance or 20 g/day loading) is safe and effective for increasing lean body mass and high-intensity exercise performance in physique athletes.

Take 3-5 grams of creatine monohydrate every day. You can take it anytime. If you want to saturate your muscles faster, take 20g/day for a week, then switch to 5g/day. It is safe and one of the most effective supplements for strength and muscle mass.

Intentional weight loss interventions improve health-related quality of life (HRQoL) in individuals with BMI ≥ 25 kg/m², with the magnitude of improvement increasing significantly as baseline BMI increases, particularly for those with BMI ≥ 40 kg/m².

If you have a BMI of 25 or higher, losing weight intentionally will likely improve your health-related quality of life. The higher your starting BMI, the greater the improvement in how you feel physically and mentally. However, if your BMI is under 30, the impact on quality of life may be negligible. Do not fear that weight loss will harm your mental health; evidence shows it does not.

A multifactorial approach targeting glucose, blood pressure, lipids, and lifestyle simultaneously is the most effective strategy for preventing diabetes complications.

To prevent serious health issues, you need to manage your blood sugar, blood pressure, and cholesterol together, not just one. This involves lifestyle changes like eating well, exercising 150 minutes a week, and losing weight, often supported by medications. This combined approach is proven to be the best way to protect your heart and kidneys.

Deuterium oxide (D2O) tracing allows for the measurement of long-term muscle protein synthesis in free-living conditions, revealing that early resistance exercise training drives muscle hypertrophy through chronically elevated MPS.

This paper describes a research method (D2O tracing) rather than a direct advice for the public. However, it confirms that consistent resistance exercise leads to chronic increases in muscle protein synthesis, which drives muscle growth over time.

Bariatric surgery (specifically Roux-en-Y gastric bypass) provides the greatest long-term weight loss and diabetes remission rates compared to other surgical and non-surgical interventions.

For severe obesity (BMI >40 or >35 with health issues), surgery is the most effective long-term solution. Roux-en-Y bypass offers the best results for weight loss and diabetes remission. It requires lifelong vitamin supplements and lifestyle changes, but offers the highest chance of sustained health improvement.