Browse the evidence

In women with overweight, consuming fresh lean beef as the primary protein source promotes healthier eating behavior by reducing voluntary carbohydrate and sugar intake compared to plant-based protein alternatives, despite similar satiety levels.

If you are trying to reduce sugar and carbs, choosing lean beef over plant-based protein alternatives might help you stick to your goals. In this study, women who ate beef voluntarily ate less sugar and carbs than those who ate plant-based proteins, likely because they enjoyed the beef more. This suggests that food preference and satisfaction play a key role in making healthier food choices.

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.

Intrinsic motivation and prior behavioral experience are stronger predictors of successful weight loss than financial incentives in low-intensity interventions.

If you are trying to lose weight, rely on your own internal drive and past successes rather than expecting external rewards (like money) to sustain you. Build routines, manage your environment, and seek social support. Financial incentives might help those with low intrinsic motivation, but they are not a substitute for behavioral change.

High ultra-processed food (UPF) intake is associated with significantly higher sedentary time and adverse dietary habits (lower protein/fiber, higher added sugar/refined grains) in young active adults, even when controlling for recreational physical activity.

If you are highly active, you might not gain weight from eating ultra-processed foods, but you are likely spending more time sitting and eating fewer nutrients. Prioritize whole foods to support recovery and energy levels, regardless of your exercise volume.

Stronger individual identities as a 'healthy eater' or 'exerciser' are associated with positive changes in eating and physical activity behaviors, which mediate weight loss during major life events like the COVID-19 pandemic.

To maintain weight during stressful life events, focus on reinforcing your identity as a 'healthy eater' or 'exerciser' rather than relying solely on your environment. The study shows that identifying with these behaviors is a stronger predictor of success than neighborhood walkability or food availability.

Less discouragement from family and friends regarding healthy eating is associated with positive changes in eating behavior and subsequent weight loss.

If your social circle actively criticizes your healthy eating choices, this negative feedback is a significant barrier to weight loss. Mitigate this by minimizing exposure to such criticism or seeking support from those who do not discourage your dietary efforts.

Improving self-efficacy for controlling eating (resisting overeating in various situations) during the first month of a digital weight loss intervention is associated with increased dietary self-monitoring engagement, but not with significant weight loss at 3 months.

Building confidence in your ability to resist overeating in difficult situations (like parties or stress) can help you stick to your food tracking habits in a digital weight loss program. However, this specific confidence boost alone may not be enough to guarantee weight loss; you must also build confidence in the act of tracking your food itself.

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.

Virtual delivery of a full meal replacement (FMR) intensive lifestyle intervention program yields weight loss outcomes statistically equivalent to in-person delivery.

If you are considering a meal replacement weight loss program, delivering it virtually (via video) is just as effective as doing it in person. In fact, virtual participants attended more sessions, which may contribute to the comparable weight loss results. You do not need to travel to a clinic to achieve significant weight loss with this protocol.

Virtual Shared Medical Appointments (SMAs) utilizing a lifestyle medicine curriculum (food as medicine, behavioral change, stress management) are an effective implementation model for weight management in obese populations, with program optimization (specifically session timing and structure) significantly improving patient attendance and sustainability.

If you are struggling to lose weight, look for a program that offers group-based lifestyle education (often called Shared Medical Appointments or SMA) delivered virtually. Ensure the program covers nutrition, behavioral strategies (like CBT), and stress management. Crucially, choose a program that offers midday sessions (10 AM - 3 PM) rather than early morning or late evening, as data suggests these times have significantly higher attendance and likely better peer support dynamics. The program should be intensive (e.g., 12 weekly sessions) and include professional guidance from a physician and health coach.

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 behavioral weight loss maintenance intervention provides a clinically meaningful but statistically non-significant weight advantage (approx. 3 kg) over usual care for up to two years after the active intervention period ends.

This study suggests that learning weight maintenance skills during a structured program can help you keep weight off for at least two years after the program ends, even if you stop seeing the coach. While the statistical proof isn't perfect due to real-world data variability, the average benefit was about 3kg (6.6 lbs) compared to doing nothing. The key is transitioning from coach-led support to self-managed maintenance skills.

The Paleo diet is associated with the longest average adherence duration (5.32 weeks) and the lowest dropout rate during the winter holiday season (14% in December) among New Year's resolution dieters, compared to other popular diets like South Beach.

If you are starting a diet in January, choose one that allows you to eat a wide variety of foods, including energy-dense options, to increase your chances of sticking with it through the holidays. The Paleo diet showed the best adherence in this study, likely because it does not require eliminating entire food groups like grains or dairy, making it easier to navigate social events and holiday meals without feeling deprived.

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.

Self-selection of behavioral weight loss programs (DPP vs. HWL) in adults with obesity results in balanced enrollment (approx. 50/50 split) without significant bias from BMI, age, or baseline health conditions, though race, income, education, and prior weight loss history do influence program preference.

If you are designing or choosing a weight loss program, offering a choice between different behavioral models (e.g., strict logging vs. biological focus) does not inherently break the study or skew results. However, be aware that race, income, education, and past weight loss history may influence which program a participant prefers. Matching the program to these factors may improve initial engagement.

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.

Performing resistance training in the morning improves morning performance, while evening training improves evening performance, allowing athletes to optimize for competition times.

If you have a competition at a specific time of day, train at that same time of day for several weeks. This will shift your peak performance to match your event time, improving your results.

Higher self-reported physical activity (PASE score) is associated with faster gait speed (GS) in older adults, regardless of the type of gym equipment used.

Keep moving outside of your gym sessions. This study shows that older adults who report higher general physical activity tend to walk faster, even if they are already doing resistance training. Don't let gym time replace daily walking.