Browse the evidence

AI-driven behavioral weight loss (BWL) interventions using reinforcement learning can achieve weight loss outcomes (approx. 7%) comparable to intensive human coaching but with significantly reduced contact hours (one-third the coaching time).

If you are struggling with the cost or availability of intensive weight loss coaching, look for programs that use AI-driven behavioral coaching. These systems can adapt to your progress in real-time, potentially offering similar weight loss results to intensive human coaching but with less required contact time. Ensure the program uses dynamic feedback (like text or app notifications) rather than just static advice.

Mobile health (mHealth) applications and wearable technology can lead to modest reductions in body weight and BMI, but long-term benefits may diminish once device usage stops, suggesting the Hawthorne effect or need for continuous engagement.

Using a fitness tracker and health app can help you lose a small amount of weight and improve your BMI, but you must use it consistently. If you stop using the device, the benefits may disappear. To make it work, integrate it into your daily routine and consider it a tool for accountability rather than a magic solution.

Discontinuation of GLP-1 analogues for obesity is primarily driven by side effects (36%), logistical challenges (24%), and cost (23%), leading to significantly lower long-term weight loss compared to persistent users.

If you are taking a GLP-1 for weight loss, sticking with it is the most important factor for success. Most people stop due to side effects, cost, or logistics, not because the drug doesn't work. To stay on it, work with your doctor to titrate the dose slowly to minimize stomach issues, seek financial assistance if the cost is prohibitive, and use telemedicine to reduce logistical burdens. Persisters lose significantly more weight (nearly 18%) than those who quit early (12.6%).

GLP-1 receptor agonists are cost-effective for expanding access to obesity treatment, particularly for patients ineligible for or hesitant about surgery, and can serve as a bridge to surgery or adjunct for post-surgical regain.

If you cannot have surgery due to health risks, insurance, or wait times, GLP-1 medications are a viable, evidence-based option. They can help you lose enough weight to become a surgical candidate or manage weight after surgery. However, be prepared for lifelong use to maintain results.

Polygenic risk scores (PRS) and genetic risk scores (GRS) can identify individuals with high genetic susceptibility to obesity, allowing for targeted preventative interventions.

While PRS can identify high-risk individuals, current scores are not precise enough for individual clinical decision-making for most people. Focus on standard healthy lifestyle habits regardless of genetic testing results.

A short-term (7-week) supervised intervention of Time-Restricted Eating (TRE) and/or High-Intensity Interval Training (HIIT) can promote long-term self-reported maintenance of these lifestyle behaviors in women with overweight/obesity, with approximately 45-46% continuing the respective interventions two years later without ongoing supervision.

If you are overweight or obese, a short, supervised period of Time-Restricted Eating (limiting eating to 10 hours a day) or High-Intensity Interval Training (3 sessions a week) can help you build the habit to continue these behaviors on your own for years. You don't need to be perfect; maintaining the habit 5 days a week is sufficient for long-term success. The key is using the initial supervised time to learn how to fit these flexible strategies into your real life, rather than relying on constant external motivation.

Structured lifestyle counseling in primary care significantly improves patient outcomes, including reduced stress, enhanced treatment adherence, and better chronic disease management, by addressing psychosocial factors and promoting self-efficacy.

Integrate brief, structured lifestyle counseling into every primary care visit. Use established frameworks like the '5 A's' (Ask, Advise, Assess, Assist, Arrange) or 'FRAMES' to guide the interaction. Focus on shared decision-making and setting specific, measurable goals with the patient. Regularly monitor progress to adjust the plan. This approach improves adherence and chronic disease management without requiring extensive time or specialized therapy training.

Early slow responders to bariatric surgery (low EWL at 3 months) should be identified through routine monitoring and offered intensified interventions, including pharmacologic support like GLP-1 receptor agonists.

If you are losing weight slower than expected in the first 3 months, talk to your doctor. You may be a 'slow responder,' and this is a known risk factor. Your team can offer extra support, such as dietary counseling, behavioral therapy, or medications like GLP-1 agonists, to help you get back on track.

Post-operative nutritional counseling has a lasting 'eye-opening' effect on patient habits, reducing the perceived need for further nutritional education compared to other support areas.

Take the initial nutritional counseling before your surgery seriously. For most patients, this 'eye-opening' session provides enough knowledge to manage diet long-term without needing constant follow-up. Focus your energy on the physical activity aspect, where ongoing support is more critical.

A clinical decision support system (CDSS) that integrates patient-centered pre-visit questionnaires with provider alerts significantly increases primary care practitioners' self-reported frequency of counseling on behavioral interventions, referring to weight-loss programs, and discussing anti-obesity medications.

For primary care providers, using a clinical decision support system that allows patients to complete a pre-visit questionnaire about their weight management interest can significantly increase the likelihood of you counseling on behavioral changes, referring patients to weight-loss programs, and discussing anti-obesity medications. This approach works by reducing the friction of initiating these conversations and integrating seamlessly into your electronic health record workflow.

Weight-neutral nutrition and exercise counseling can improve insulin sensitivity in patients with stage 1 obesity, as measured by the Quantitative Insulin Sensitivity Check Index (QUICKI).

If you have stage 1 obesity and metabolic issues, try focusing on improving diet quality (more fiber, less sodium, healthy fats) and increasing physical activity without stressing about the number on the scale. This approach can improve your insulin sensitivity for some people, even if you don't lose weight.

Psychological distress (stress, anxiety, depression) and environmental barriers (food insecurity, poor neighborhood quality) significantly increase the risk of weight regain after intentional weight loss by driving disinhibited eating and reducing behavioral adherence.

If you are struggling to maintain weight loss, look beyond just calories. Assess your stress levels, mental health, and your physical environment (food access, neighborhood safety). High stress and poor food environments are proven drivers of weight regain. Addressing these external and psychological factors is essential for long-term success, not just willpower.

Impulsiveness (measured by BIS-11 and MCQ) and temporal discounting (preference for immediate rewards) are significant predictors of weight regain, as they correlate with higher caloric intake and poor adherence to dietary restrictions.

If you find it hard to stick to your diet, it might not just be a lack of discipline. Your brain's tendency to prefer immediate rewards (like tasty food) over long-term goals (like health) plays a role. Recognizing this 'impulsiveness' can help you implement strategies to manage it, such as removing triggers or planning ahead.

Lifestyle interventions, specifically the Mediterranean diet and moderate-to-vigorous exercise, improve psoriasis symptoms and quality of life, independent of weight loss.

Start with lifestyle changes. Adopt a Mediterranean diet, which has anti-inflammatory properties that can help your psoriasis regardless of weight loss. Aim for 150 minutes of moderate exercise per week, plus strength training. If sweating bothers your skin, try swimming or other low-impact activities. Be patient and gradual to avoid discouragement.

Oral GLP-1 receptor agonists (e.g., orforglipron) provide comparable efficacy to injectable formulations while improving accessibility by eliminating cold-chain requirements.

If you prefer pills over injections, oral GLP-1 medications like orforglipron are a viable option. They work similarly to shots but are taken daily by mouth, which may help you stick with the treatment longer. They are also easier to store and distribute globally.

Subsidized participation in commercial weight management programs improves engagement and reduces attrition compared to non-subsidized participation, without compromising weight loss outcomes.

If you cannot afford a commercial weight loss program, look for subsidies from your health insurance or employer. Financial assistance can make these programs more accessible and help you stay engaged without increasing your out-of-pocket costs.

Technology-assisted obesity interventions, including digital platforms and AI-driven adaptive interventions, can produce clinically meaningful weight loss and improve equity by increasing reach to marginalized populations.

Digital weight loss programs can be effective and affordable. If you have a smartphone, you may have access to these programs. Look for options that offer human support if you need extra motivation, as combining technology with coaching yields better results.

Among US women, younger age, Black race, lower income, less than 12 years of education, obesity (BMI ≥ 30), and current smoking are significantly associated with reporting both poor diet and low physical activity.

Public health initiatives targeting diet and physical activity should prioritize younger women, Black women, those with lower income and education levels, and current smokers, as these groups show the highest prevalence of combined poor diet and inactivity. Interventions should address socioeconomic barriers rather than assuming uniform access to resources.

Metabolic and bariatric surgery (MBS) significantly improves self-esteem, body image, and health-related quality of life, with the greatest gains occurring within the first 12 months post-surgery.

Expect a significant boost in self-esteem and quality of life within the first year after surgery. Be prepared for a period where your external appearance changes faster than your internal self-image, which can cause temporary discomfort.

Family involvement and structured family therapy significantly enhance postoperative weight loss, adherence, and psychosocial outcomes.

Involve your family in your postoperative care. Structured family therapy can significantly improve weight loss and psychosocial outcomes. Address any family resistance through open communication and counseling.

Interdisciplinary Cognitive-Behavioral Therapy (IT+CBT) effectively supports weight loss and improves quality of life in adults with obesity.

Interdisciplinary Cognitive-Behavioral Therapy (IT+CBT) combines goal setting, impulse control, and problem-solving with cognitive strategies to help patients achieve and maintain weight loss. A small study showed it was superior to health education or physical exercise alone. It requires commitment to therapy sessions.

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.

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.

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.