Browse the evidence

GLP-1-based therapies improve medication adherence in patients with resistant hypertension by reducing the burden of multiple daily antihypertensive drugs.

If you struggle to take multiple blood pressure pills every day, a GLP-1 medication might help. It can lower your blood pressure and help you lose weight, potentially allowing your doctor to reduce the number of other blood pressure medications you need. This simplification often makes it easier to stick with your treatment plan.

High-fat diets (specifically ketogenic diets with >75% fat) increase total and free testosterone in resistance-trained men compared to Western diets, likely due to higher cholesterol intake supporting steroidogenesis.

If you are resistance training, ensure you consume enough dietary fat (at least 25% of calories). Very low-fat diets may suppress testosterone. Some evidence suggests ketogenic diets (high fat, very low carb) may further boost testosterone in trained men, likely due to cholesterol availability for hormone synthesis.

Soy protein supplementation may blunt the acute post-exercise testosterone response compared to whey protein or placebo, although it does not necessarily lower resting total testosterone.

Soy protein is safe and does not lower your baseline testosterone. However, if you want to maximize the acute testosterone spike after heavy lifting, whey protein might be a slightly better choice than soy. For general health and muscle building, either is fine.

Omega-3 fatty acid supplementation increases muscle volume, strength, and muscle protein synthesis in elderly adults, potentially by activating the mTOR pathway and reducing inflammation.

Consider adding Omega-3 fatty acids to your diet, either through fatty fish or supplements, as they may help increase muscle strength and volume in older adults, even if you are not exercising. However, more research is needed specifically for Indian populations.

Leucine supplementation (isolated or enriched) improves lean body mass, muscle strength, and physical functioning in sarcopenic or elderly populations.

Ensure your protein sources are rich in leucine, or consider leucine-enriched protein supplements. Studies show this can improve muscle mass and walking ability in older adults, especially those with sarcopenia. However, more research is needed for Indian populations.

Community pharmacists can effectively support obesity management by providing weight management services (WMSs), including counseling on medications, lifestyle advice, and risk assessment, despite current underutilization of clinical metrics like BMI and waist circumference.

Pharmacists should proactively offer weight management counseling, including discussing risks of obesity and appropriate use of weight loss medications, even if they do not currently measure BMI or waist circumference. This service is valuable and supported by the paper's findings on pharmacist accessibility and patient trust.

In elite bodybuilders, resistance training performed 4 times per week yields equivalent fat-free mass and strength gains to training 6 times per week when total weekly volume and muscle group frequency are equated.

If you are an advanced lifter, you do not need to train 6 days a week to maximize muscle growth. You can achieve the same results training 4 days a week, provided you perform the same total number of sets and exercises. Choose the schedule that allows you to recover best and stick to the program consistently.

High dietary cholesterol intake (≥538 mg/day) is associated with a significantly increased risk of high total cholesterol and high LDL-C in Chinese metropolitan adults, particularly women.

For Chinese metropolitan adults, consuming more than 538 mg of dietary cholesterol daily is linked to higher risks of high total cholesterol and LDL-C, especially for women. While current guidelines may not enforce a strict limit, monitoring intake to stay below this threshold may be prudent for lipid management.

Semaglutide administration (up to 1 mg weekly) produces significant weight and BMI reduction in obese patients with kidney failure undergoing dialysis, with a side effect profile comparable to non-dialysis populations.

If you are on dialysis and obese, semaglutide injections (starting at 0.25mg and increasing to 1mg weekly) can help you lose significant weight (average 4.6kg in 12 weeks) with manageable side effects like mild nausea. This weight loss may allow you to qualify for kidney transplantation, which offers better survival and quality of life than remaining on dialysis. Consult your nephrologist about this off-label use.

In elderly subjects with overweight/obesity and metabolic syndrome, higher baseline abundance of Prevotella 9, Lachnospiraceae UCG-001, and Bacteroides is associated with greater weight loss following a 12-month intensive lifestyle intervention.

If you are older and have metabolic syndrome, your gut bacteria might predict how well you lose weight. Specifically, having more Prevotella 9, Lachnospiraceae UCG-001, and Bacteroides is linked to better results from a Mediterranean diet and exercise plan. While you can't easily change your bacteria overnight, focusing on a fiber-rich Mediterranean diet may help cultivate these beneficial strains over time.

High-fructose corn syrup (HFCS) consumption promotes obesity, type 2 diabetes, and fatty liver more potently than glucose or sucrose alone due to the synergistic activation of the transcription factor ChREBP by equal parts glucose and fructose.

Prioritize whole food sources of carbohydrates (vegetables, fruits, legumes, whole grains) over processed foods containing high-fructose corn syrup. The specific ratio of glucose to fructose in HFCS appears to uniquely drive metabolic dysfunction via ChREBP activation, leading to fatty liver and insulin resistance more than other carbohydrate sources.

In overweight/obese sedentary men, a high-carbohydrate diet (67% energy) significantly impairs glycaemic control compared to a high-fat diet (67% energy), resulting in higher peak, mean, and total area under the curve glucose levels, while meal provision itself does not alter daily physical activity patterns.

For overweight or obese sedentary men, replacing carbohydrates with fat in meals significantly improves blood sugar control after eating. If you are managing blood glucose, prioritizing lower-carbohydrate, higher-fat meals may be more effective than high-carbohydrate meals. However, simply providing meals does not reduce your daily physical activity, so you should maintain your usual movement habits regardless of how your food is prepared.

Public health messaging should prioritize the word 'vegetables' before 'fruits' in the phrase 'vegetables and fruits' to improve nutrient density awareness and address the larger consumption gap for vegetables.

When creating or following health advice, look for messages that say 'vegetables and fruits' rather than 'fruits and vegetables.' This subtle shift highlights that vegetables are generally more nutrient-dense and that Americans are further from meeting vegetable recommendations than fruit recommendations. Prioritize adding vegetables to your diet first.

Switching from continuous full-dose GLP-1/IM therapy to a lower-cost, less effective alternative weight-maintenance program after reaching a weight-loss plateau generates substantial lifetime healthcare savings with only minimal reductions in quality-adjusted life years (QALYs).

If you have successfully lost weight using GLP-1 medications (like Wegovy or Ozempic) and your weight has stabilized, discuss with your doctor whether switching to a lower-cost maintenance strategy (such as a lower dose, a different medication, or a focus on lifestyle/nutrition support) is appropriate for you. This approach may save you significant money and reduce side effects while maintaining a substantial portion of your health benefits, with the option to return to full-dose therapy if you regain weight.

Myostatin acts as a negative regulator of muscle hypertrophy and cardiac pathological hypertrophy, and its inhibition or reduction through exercise can promote muscle growth and protect against certain cardiac dysfunctions.

Consistent exercise naturally lowers myostatin, a protein that limits muscle growth. This is one reason why regular resistance training is effective for building muscle.

Tirzepatide, a dual GLP-1/GIP receptor agonist, promotes significant weight loss and improves metabolic parameters in obese patients with PCOS, potentially offering superior tolerability compared to GLP-1R agonists alone due to its imbalanced receptor affinity.

For obese individuals with PCOS, tirzepatide is a once-weekly injection that helps with weight loss and blood sugar control. It works by mimicking hormones that regulate appetite and insulin. While it can cause stomach upset, the dual-action design might make it easier to tolerate than older drugs. It is not a substitute for lifestyle changes but can be a powerful tool when combined with diet and exercise.

Sustained increases in accelerometer-measured moderate-to-vigorous physical activity (MVPA) over 4 years are associated with a reduced risk of cardiovascular disease (CVD) outcomes in adults with type 2 diabetes, whereas short-term (1-year) changes are not.

To lower your cardiovascular disease risk, you need to maintain a consistent level of moderate-to-vigorous physical activity (like brisk walking) for several years, not just a few months. Simply exercising for a year is not enough to see a reduction in risk. Focus on long-term adherence to an active lifestyle rather than short-term bursts.

Daily consumption of 30g of dark chocolate (83% cocoa) for 12 weeks significantly reduces body weight, BMI, and serum AST levels in patients with Non-Alcoholic Fatty Liver Disease (NAFLD).

If you have NAFLD, consuming 30 grams of dark chocolate (at least 83% cocoa) daily for 12 weeks may help reduce your body weight, BMI, and liver enzyme levels (AST). This suggests that specific high-cocoa dark chocolate can be part of a liver-healthy diet, contrary to the general belief that all chocolate causes weight gain.

High consumption of dairy products is associated with a less atherogenic lipid phenotype (higher HDL-C and TC, lower TG) compared to high consumption of meat products, which is associated with atherogenic dyslipidemia (lower HDL-C, higher TG).

If you have high cholesterol, don't just cut all saturated fats. Focus on reducing meat intake, as high meat consumption is linked to worse lipid profiles (lower HDL, higher TG). Moderate dairy consumption may be acceptable or even beneficial for your lipid profile compared to meat.

Reformulating pastry products by reducing salt, sugar, and saturated fats and increasing dietary fiber reduces the risk of cardiovascular disease, type 2 diabetes, and obesity.

To improve your health, look for bakery and pastry products that have been reformulated to contain less salt, sugar, and saturated fat, and more dietary fiber. These changes are designed to lower your risk of heart disease and diabetes without necessarily sacrificing taste, thanks to modern food science techniques.

Increasing dietary fiber (e.g., polydextrose, inulin, beta-glucan) in reformulated pastries increases satiety and reduces energy density, aiding in weight management.

Choose pastries and baked goods that list dietary fibers like inulin, beta-glucan, or polydextrose in their ingredients. These fibers help you feel fuller for longer and reduce the overall calories in the product, supporting your weight management goals.

Pre-contest preparation in physique athletes involves significant caloric restriction and high-volume training, leading to marked alterations in body composition, hormonal profiles, and psychometric outcomes, with sex-specific divergent responses in lean mass and hormone regulation.

If you are preparing for a physique competition, expect significant changes. You will likely lose 8-9% body fat over 3-8 months. Men may lose lean mass despite high protein intake, while women may maintain or slightly gain it. Hormones like testosterone will drop in men, and cortisol will rise in both sexes. Sleep quality and mood may suffer. This is a controlled stressor; manage it with consistent resistance training and gradual caloric deficits.

Highly effective anti-obesity medications (heAOMs) achieving 15% or more weight reduction can cause 'excessive weight reduction' leading to psychosocial challenges, nutrient deficiencies, and lean body mass loss, requiring proactive management including body composition analysis and behavioral support.

If you are taking a powerful weight loss medication and losing weight rapidly (15% or more), you need to monitor more than just your weight. Ask your doctor for a body composition analysis to ensure you aren't losing too much muscle or essential fat. Prioritize protein intake and resistance training to protect your muscle. Be prepared for changes in your social relationships and mental health, and seek support if you feel isolated or if friends/family react negatively to your changes.

Once-weekly subcutaneous semaglutide at 2.4mg reduces the risk of major adverse cardiovascular events (MACE) in overweight or obese individuals with cardiovascular disease who do not have diabetes.

For overweight or obese individuals with cardiovascular disease but no diabetes, once-weekly subcutaneous semaglutide at 2.4mg is being studied for its ability to reduce cardiovascular events. While results from the SELECT trial were pending at the time of this review, the mechanism suggests potential cardiovascular benefits beyond glucose control.