Browse the evidence

Tirzepatide (2.5 mg weekly) significantly improves glycemic control and reduces body weight in patients with type 2 diabetes during Ramadan fasting, with a favorable safety profile characterized by mild gastrointestinal side effects and no reported hypoglycemia.

If you have type 2 diabetes and plan to fast during Ramadan, tirzepatide (2.5 mg weekly) can help improve your blood sugar and weight without causing low blood sugar. You might experience mild stomach issues like nausea, but these are usually manageable and do not require stopping the medication or breaking your fast. Consult your doctor to ensure it fits your overall treatment plan.

In patients with diabetes, the combination of a healthy diet style and sleep disorders significantly moderates the relationship with waist circumference, indicating that sleep disturbances can negate or alter the protective effects of healthy dietary patterns on abdominal obesity.

For diabetic patients, managing waist circumference requires attention to both diet and sleep. Even with a healthy diet, sleep disorders can negatively impact abdominal obesity. Prioritize sleep hygiene alongside dietary changes to maximize metabolic benefits.

Consumption of sugar-sweetened beverages (SSBs) is positively associated with increased waist circumference and BMI in diabetic patients, independent of other dietary factors.

Reduce or eliminate sugar-sweetened beverages to help manage waist circumference and BMI. This is a key dietary modification for diabetic patients.

Personalized prevention strategies using biomarkers (genetics, omics, imaging) are necessary to predict individual response to lifestyle interventions and optimize cardiovascular risk reduction.

Current risk assessments may not be precise enough for everyone. Future care may involve genetic or biomarker testing to predict exactly which lifestyle changes (diet, exercise type/intensity) will work best for you, moving away from a one-size-fits-all approach.

Interventions delivered by trained volunteers can be feasible and effective in improving physical fitness in older populations, offering a low-cost alternative to professional delivery.

Look for community-based exercise programs led by trained volunteers, especially if you are older. These programs are often low-cost and have been shown to improve physical fitness effectively.

Higher relative intake of dietary protein is inversely associated with the risk of coronary artery disease (CAD), based on observational data.

If you are concerned about coronary artery disease, this study suggests that ensuring adequate protein intake may be beneficial. Higher relative protein intake was linked to a lower risk of CAD. Include protein-rich foods in your diet. Consult your doctor for personalized advice, especially if you have existing kidney conditions.

A natural spoken language application (COCO) provides valid estimates of total energy intake (TEI) comparable to the gold-standard 24-hour dietary recall method.

To accurately track your calorie intake without the hassle of manual entry, try using a voice-activated nutrition app. This study shows that speaking your meals into an app provides energy estimates just as accurate as professional dietary recalls, making it a viable tool for weight management if you struggle with traditional logging methods.

Discontinuation or interruption of GLP-1 agonist therapy (semaglutide) leads to rapid weight regain and loss of cardiometabolic benefits, with patients regaining approximately two-thirds of lost weight within one year.

If you stop taking semaglutide, you will likely regain about two-thirds of the weight you lost and lose the heart and blood sugar benefits within a year. The drug works only as long as you take it. If you face a supply shortage or side effects, do not just stop; contact your provider immediately to switch to an alternative or manage the transition, as stopping leads to rapid regain.

Mediterranean and low-carbohydrate diets combined with exercise reduce cardiovascular and metabolic risk factors in prostate cancer patients undergoing androgen deprivation therapy (ADT).

If you are undergoing hormone therapy for prostate cancer, adopting a Mediterranean or low-carbohydrate diet alongside regular exercise can help manage metabolic risks like weight gain and blood sugar issues. While the benefits are clear, sticking to these changes long-term can be challenging, so focus on consistency over perfection.

Multidisciplinary care and community involvement improve accountability and outcome durability for prostate cancer patients undergoing ADT.

To maintain the benefits of diet and exercise during ADT, consider engaging with multidisciplinary care teams or community support groups. These resources can help you stay accountable and sustain your progress over time.

GLP-1 and GLP-1/GIP receptor agonists are associated with lower exposure-adjusted mortality rates compared to non-GLP-1 weight management agents.

Beyond weight loss, GLP-1 and GLP-1/GIP agonists may offer a mortality benefit compared to older weight loss drugs. This is a significant advantage for patients with obesity-related comorbidities.

Herbal medicine interventions for obesity exhibit pleiotropic mechanisms, including thermogenesis, inhibition of pancreatic lipase, reduced food intake, and increased lipolysis, mediated by secondary metabolites like flavonoids and saponins.

Herbal medicines for obesity work through multiple pathways, such as boosting metabolism (thermogenesis), blocking fat absorption (lipase inhibition), and reducing appetite. They are not single-target drugs but complex mixtures that may offer a safer profile than prescription weight-loss drugs, though they still require careful monitoring.

Targeting thermogenesis via β3-adrenergic receptor (β3-AR) activation can increase energy expenditure and promote brown adipose tissue (BAT) activity, offering a complementary mechanism to GLP-1 agonists for obesity management.

Research is actively exploring medications that activate brown fat (thermogenesis) to burn more calories. While not yet standard care, these drugs (like β3-agonists) work by increasing energy expenditure. They may eventually be used alongside GLP-1 medications to overcome weight loss plateaus. Current options are limited by side effects, but newer, more selective drugs are showing promise in clinical trials.

GLP-1 receptor agonists, particularly semaglutide and tirzepatide, are associated with an increased risk of non-scarring hair loss (telogen effluvium and androgenetic alopecia), primarily driven by rapid weight loss and nutritional deficits rather than direct drug toxicity.

If you are using semaglutide or tirzepatide and notice hair shedding, it is likely due to rapid weight loss or nutritional deficits rather than permanent drug damage. Ensure adequate protein and micronutrient intake (iron, zinc) and consider slowing dose escalation. The risk is highest with these specific drugs and in females, but often stabilizes as weight loss plateaus.

GLP-1 receptor agonists (GLP-1RAs) significantly reduce alcohol consumption, cravings, and alcohol-related hospitalizations in patients with Alcohol Use Disorder (AUD), particularly in obese subgroups.

If you have AUD, especially if you are obese or have Type 2 Diabetes, GLP-1 medications (like Semaglutide or Exenatide) are showing promise in reducing drinking and cravings. They work by changing how your brain rewards alcohol. While they are injections and can cause stomach issues, these side effects often fade. They are not yet the standard first-line treatment for all AUD, but they are a strong option to discuss with your doctor, particularly if other treatments haven't worked.

In older women, substituting total or animal protein with fat or carbohydrates is negatively associated with appendicular skeletal muscle mass (ASMM) in cross-sectional analyses, but this association disappears in longitudinal analyses over 20 years.

For older women, simply eating more protein than fat or carbs might not protect muscle mass in the long run (20 years). While cross-sectional data shows a link between lower protein and lower muscle mass, long-term tracking shows no clear benefit. Focus on overall diet quality and physical activity rather than just maximizing protein intake.

Short-term resistance training (4 weeks) combined with medium-dose cheese supplementation (13.4g protein/week) optimizes body composition and lipid profiles in healthy untrained adults, whereas low-dose supplementation fails to produce significant improvements compared to training alone.

If you are new to resistance training, adding a moderate amount of cheese (providing ~13g of protein) on your workout days can help improve your body fat and cholesterol levels more than training alone. You do not need to consume large amounts of protein; a medium dose (approx. 216g of the specific cheese used) split around your workout is sufficient. Do not expect this to make you stronger faster than training alone, as strength gains were similar across all groups.

Vitamin D3 supplementation alone is the most cost-effective management strategy for sarcopenia in Iran, whereas combination therapies (Protein+Vitamin D, Protein+Vitamin D+Exercise) are not cost-effective despite higher clinical effectiveness.

For healthcare systems or individuals in Iran, Vitamin D3 supplementation is the most economically sensible intervention for managing sarcopenia. While adding protein and exercise improves health outcomes (QALYs), the high cost of these combinations makes them not cost-effective compared to Vitamin D alone. Focus on Vitamin D for the best economic return.

Resistance training responsiveness is highly heterogeneous, with non-responder rates ranging from 0% to 84% for muscle size, 0% to 44% for strength, and 37-42% for functional performance, indicating that individual ability to respond varies widely regardless of the intervention.

Do not assume resistance training will yield identical results for everyone. If you are not seeing expected gains in strength or size after 4-12 weeks, you may be a 'non-responder' for that specific protocol. This is common (up to 84% for muscle size in some studies). Consult a professional to adjust volume, intensity, or exercise selection rather than abandoning training entirely.

Carbohydrate reduction leads to a significant decrease in Alanine Aminotransferase (ALT) levels, indicating improved liver function, while HDL cholesterol may show a small decline.

Your liver function is likely to improve, as shown by a significant drop in ALT levels. However, be aware that HDL ('good') cholesterol may decrease slightly. This is a common finding with carbohydrate reduction and should be monitored by your doctor.

In older adults, daily coffee consumption is associated with a decrease in body fat percentage, whereas consuming coffee only a few times per week is associated with an increase in body fat percentage compared to daily consumers.

If you are an older adult, drinking coffee daily might be associated with lower body fat compared to drinking it sporadically. However, this effect is small, and the study suggests it may be indirect (e.g., via gut microbiota or appetite). Do not rely on coffee alone for fat loss; focus on overall diet and activity.

Frequent consumption of beer (a few times per week) and sweets (once a week or more) is associated with an increase in body fat percentage and a decrease in skeletal muscle mass in older adults.

For older adults, drinking beer a few times a week and eating sweets weekly or more is linked to higher body fat and lower muscle mass. Reducing the frequency of these items may help maintain body composition.

Tailoring type 2 diabetes lifestyle interventions (Medical Nutrition Therapy, in-person groups, or telephone groups) to patient preferences regarding learning style, schedule, and accountability improves engagement and adherence.

Do not force a single delivery format on all diabetic patients. Assess their preference for learning (social vs. individual), schedule flexibility, and need for accountability. Offer Medical Nutrition Therapy (MNT) for those needing flexibility and one-on-one accountability, telephone groups for those wanting peer support without travel, and in-person groups for those who value face-to-face interaction and structure. Matching the format to the patient's lifestyle increases the likelihood of sustained participation.

Intra-set Rating of Perceived Exertion (RPE) and Repetitions in Reserve (RIR) predictions are significantly more accurate when made closer to muscular failure (9 RPE) compared to earlier in the set (6 RPE) during squat, bench press, and deadlift exercises.

When using RPE or Reps in Reserve (RIR) to guide your training, do not rely on your feeling at the beginning of the set. Your ability to accurately predict how many reps you have left is significantly worse when you are far from failure (e.g., 6 RPE). To use RPE effectively, make your assessment when you are close to failure (e.g., 9 RPE), as this is when your perception of effort aligns best with actual performance.