Browse the evidence

Whey protein powders contain significantly higher concentrations of sweet-tasting free amino acids (glycine, alanine, serine, proline, threonine) compared to plant-based protein powders.

If you are choosing between whey and plant protein, be aware that whey naturally contains higher levels of certain free amino acids like glycine and alanine. This difference exists regardless of the total protein content listed on the label.

High concentrations of specific free amino acids (glutamine, tryptophan) are consistently present in both whey and plant-based protein powders.

You can expect both whey and plant protein powders to be rich sources of glutamine and tryptophan.

The geographical origin of protein powder (India, China, Japan) significantly influences its free amino acid profile.

The country where your protein powder was manufactured affects its specific amino acid content, not just the brand or type.

MMA fighters exhibit body composition (skeletal muscle mass, body fat percentage, visceral fat mass, and phase angle) statistically indistinguishable from elite powerlifting athletes, despite fundamentally different training methodologies.

If you are an MMA fighter, you do not need to sacrifice muscle mass to maintain your conditioning. Your body composition (muscle and fat levels) can be just as favorable as a powerlifter's, provided you train with sufficient intensity and volume. Focus on maintaining high tissue quality (phase angle) through balanced aerobic and anaerobic training rather than cutting muscle for weight classes.

Mainting fat-free mass through resistance training and protein supplementation is a viable strategy to mitigate Brugada syndrome risk.

Consider incorporating resistance training and adequate protein intake to build fat-free mass, as this may help protect against Brugada syndrome. Discuss this with your doctor, as specific protocols are still being validated.

Younger age (<65 years) and shorter duration of severe neutropenia are the strongest independent predictors of lean mass gain during adapted physical activity in hematology inpatients.

Younger hematology patients (<65) and those with shorter periods of severe neutropenia are likely to see the greatest lean mass benefits from adapted physical activity. Older patients or those with prolonged neutropenia may see minimal gain, but activity remains safe and improves physical function.

University students, particularly males, frequently consume protein supplements (often ~24g/day) primarily to build muscle mass, despite having a high incidence of gastrointestinal side effects and a significant lack of knowledge regarding the actual health risks.

If you are a university student using protein powder to build muscle, be aware that nearly 60% of users in this study experienced side effects like stomach issues or headaches. You likely do not need more than 24g per serving, and taking more than 40g offers no extra muscle benefit. Instead of relying on gym buddies or social media, consult a nutritionist to ensure you are not exceeding safe or necessary limits.

Higher dietary diversity, specifically protein-enriched and anti-inflammatory dietary diversity, is associated with a lower prevalence of low muscle mass (LMM) in older Chinese adults.

For older adults, simply increasing the variety of foods consumed—specifically ensuring regular intake of protein-rich sources (meat, fish, eggs, dairy, beans, nuts) and anti-inflammatory foods (vegetables, fruits, tea)—is associated with a significantly lower risk of low muscle mass. Aim for a diverse plate rather than focusing on a single supplement or food group.

The protective association between dietary diversity and low muscle mass is significantly stronger in women than in men.

Women may derive greater muscle-protective benefits from dietary diversity than men, possibly due to hormonal differences. Women should prioritize diverse protein and anti-inflammatory food intake to counteract age-related muscle loss.

Structured football participation creates positive transfer effects that maintain higher vigorous physical activity (VPA) levels in young adults even during non-practice periods, refuting the hypothesis that athletes do not transfer high activity levels to regular lifestyle.

If you play structured sports like football, you are likely to stay more active during your free time than non-athletes, even if you aren't formally exercising. However, this study shows that even athletes fall short of vigorous activity guidelines (75 min/week) when practice is excluded. To maximize health benefits, you should intentionally incorporate high-intensity activities into your non-practice time, as structured sport alone may not be enough to meet vigorous activity targets.

Structured football participation significantly increases vigorous physical activity (VPA) but does not necessarily increase light physical activity (LPA), suggesting a redistribution of activity intensity rather than total volume.

Don't just focus on the total number of minutes you move. Structured sports like football naturally shift your activity profile toward higher intensities (VPA), which is crucial for health. Even if you spend less time in 'light' activity (like casual walking), the high-intensity bursts from your sport provide significant benefits. Focus on maintaining that intensity in your daily life, not just accumulating low-intensity steps.

Correcting vitamin D insufficiency (levels < 30 ng/mL) may be warranted to prevent greater quadriceps muscle loss and support genomic recovery processes after ACL reconstruction.

Have your Vitamin D levels checked after ACL surgery. If they are below 30 ng/mL, correcting this insufficiency may help reduce quadriceps muscle loss and support recovery, though its impact on functional outcomes is less clear.

Athletes with Type 1 Diabetes should maintain pre-exercise blood glucose levels between 7.0–10.0 mmol/L to offset the risk of hypoglycemia, as exercise increases glucose disposal via GLUT4 translocation and insulin sensitivity.

If you have Type 1 Diabetes and are about to exercise, check your blood sugar. If it is below 7.0 mmol/L, do not start exercising yet. Eat carbohydrates or reduce your insulin dose until your blood sugar is between 7.0 and 10.0 mmol/L. This higher starting point acts as a buffer against the blood sugar drop that happens during exercise, keeping you safe and allowing you to perform.

Intensive lifestyle interventions (weight loss and physical activity) reduce all-cause mortality in overweight/obese type-2 diabetes patients, despite not significantly reducing cardiovascular events in the Look AHEAD trial.

For people with type-2 diabetes who are overweight, focusing on sustainable weight loss and regular physical activity is crucial for living longer. Even if you don't see immediate improvements in heart disease markers, the long-term data suggests these habits reduce the risk of dying from any cause. Do not rely solely on medication; lifestyle is a primary treatment for longevity.

Bariatric surgery (gastric bypass or band) significantly improves glycemic control and promotes medication discontinuation in pre-diabetic and diabetic patients, with remission rates of 73.9% for diabetics and 83.5% for pre-diabetics within 24 months.

If you have pre-diabetes or diabetes and are struggling with weight, bariatric surgery (gastric bypass or band) is a highly effective intervention for achieving remission. This study shows that over 80% of pre-diabetics and nearly 74% of diabetics were 'cured' (normalized blood sugar) within two years, often allowing them to stop medications. This benefit applies across age groups and is not limited to the most obese patients, though access may vary by insurance type.

Dietary interventions that are moderate in fat, largely plant-based, and include intermittent fasting can facilitate the biliary excretion of Persistent Organic Pollutants (POPs), thereby reducing their toxicity and improving cardiovascular outcomes in T2DM patients.

To help your body get rid of stored environmental toxins while managing diabetes, try a diet that is moderate in fat and mostly plants, combined with intermittent fasting. This approach helps your liver excrete toxins and provides protective plant compounds, potentially offering better heart health benefits than standard low-fat diets.

A 6-month lifestyle intervention (Pure Prairie Living Program) involving weekly nutrition education and an eating plan improves dietary adherence scores in people with T2D, but does not significantly change HbA1c or diabetes self-efficacy in a primary care setting.

Taking nutrition classes and following an eating plan can help you stick to better dietary habits, but this alone might not lower your blood sugar (HbA1c) significantly if you don't have support for making those changes in your daily life. Look for programs that help you overcome real-world barriers like cost, time, or social pressure, not just those that teach you what to eat.

Among Behavior Change Techniques (BCTs), self-monitoring, feedback on performance, and focus on past success are the only techniques associated with improved diet quality (HEI-C) in metabolic syndrome counseling, while frequent goal setting and feedback on performance (when excessive) are associated with poorer outcomes.

When counseling for metabolic syndrome, prioritize self-monitoring (e.g., food logs), providing feedback on performance, and focusing on past successes. Avoid frequent goal setting, as it may be counterproductive. Most other standard BCTs (like action planning or motivational interviewing) did not show a significant association with diet quality improvements in this study.

Higher levels of objectively measured moderate-to-vigorous physical activity (MVPA) are associated with a lower prevalence of pre-diabetes in middle-aged adults, but this association is not statistically significant after adjusting for age and BMI.

Increasing your physical activity is a good step for health, but for middle-aged adults, it may not be enough on its own to prevent pre-diabetes if you are older or have a higher BMI. Focus on a holistic approach that includes weight management and regular screening, as exercise alone does not independently protect against pre-diabetes in this demographic after accounting for age and body mass.

A fully health-insurance-financed, long-term (4-year) conservative multimodal obesity therapy program achieves clinically significant weight loss (average 5 kg or 4% of body weight) and metabolic improvements in patients with obesity grades 2 and 3 under real-world conditions.

If you have obesity grade 2 or 3, a comprehensive, long-term conservative therapy program, fully covered by health insurance in Germany, can help you lose an average of 5 kg (4% of body weight) and improve your metabolic health. This program includes dietary, exercise, and behavioral therapy sessions over several years. It is designed to be flexible and affordable, addressing common barriers like cost and adherence.

GLP-1 agonists demonstrate stroke outcomes superior to bariatric surgery, while showing similar event rates for myocardial infarction (MI) and overall cardiovascular disease (CVD) compared to control groups, whereas bariatric surgery demonstrates a significant reduction in the risk of these studied events.

If you are considering treatments for obesity-related cardiovascular risk, GLP-1 medications offer a non-surgical option that matches standard care for heart attack and general cardiovascular disease prevention, while potentially offering better protection against strokes compared to bariatric surgery outcomes in this review. However, bariatric surgery still shows a broad, significant reduction in overall cardiovascular risk. Consult a physician to weigh the specific stroke vs. heart attack risks and your tolerance for surgery versus long-term medication.

Pre-operative Very Low Energy Diets (VLEDs) used for 14 days may reduce technical difficulty and early complications by reducing liver volume, but do not significantly impact 30-day morbidity or operative time.

A 14-day VLED might make your surgery technically easier by shrinking your liver, but it won't necessarily reduce your overall risk of complications or shorten your operation time. It is a specific tool used in some guidelines, not a general requirement.

A personalized, integrative, long-term (5-year) coaching program based on a systems health perspective significantly improves health-related quality of life, physical outcomes (weight, waist circumference, aerobic capacity), and psychosocial well-being (fatigue, self-esteem) in adults with obesity compared to baseline.

If you have obesity and have struggled with standard diet/exercise programs, consider a long-term, personalized coaching approach that addresses not just weight but also mental health, social support, and physical activity. Expect a significant time commitment initially, but the goal is to build sustainable habits. Progress may be slow, but improvements in quality of life and physical function are possible.

A carbohydrate-reduced telemedicine nutrition intervention significantly reduces the incidence of major adverse cardiovascular events (MACE) and new-onset cardiovascular disease in adults with type 2 diabetes or obesity compared to matched controls.

If you have type 2 diabetes or obesity, a telemedicine program that helps you restrict carbohydrates to under 30 grams per day and maintain nutritional ketosis can significantly lower your risk of heart attacks, strokes, and other cardiovascular events compared to standard care. This approach works by improving overall metabolic health, which appears to protect the heart even if cholesterol levels change.