Browse the evidence

A diabetes self-management intervention combining personalized health feedback with financial incentives (discount vouchers) significantly reduces waist circumference in both men and women, but improves HbA1c only in men.

For rural patients with Type 2 Diabetes, combining regular health feedback with small, tangible rewards (like local store discounts) can effectively reduce waist size for both men and women. However, men may respond better to the competitive aspect of tracking HbA1c, while women may be motivated by the vouchers but struggle with the 'genetic inevitability' mindset. Tailoring the feedback method (mail vs. face-to-face) to individual comfort levels is crucial for adherence.

Food reformulation and innovation can contribute to reducing obesity if products are affordable, palatable, and sustainably consumed, but face barriers related to cost, consumer perception, and technical feasibility.

When choosing foods, look for reformulated options that have reduced sugar, salt, and saturated fat, but be aware that they may not always be affordable or palatable. Prioritize whole, unprocessed foods when possible and budget allows.

A digital weight loss program augmented with a human-enhanced kick-off session yields significantly greater 3-month weight loss (-4.06%) compared to a fully automated program (-4.57%), though the difference was not statistically significant in this pilot.

If you are motivated and can lose weight quickly (2% in a month) using an app, you might not need extra human coaching. If you struggle, a brief check-in or more intensive counseling can help. The app itself is the core driver.

Exercise selection must prioritize safety and comfort over maximal muscle activation to ensure long-term adherence and prevent injury, even if it means sacrificing some hypertrophic potential.

If an exercise causes joint pain or feels uncomfortable, stop doing it. Substitute it with a variation that targets the same muscle but feels safer (e.g., Smith machine squat instead of free bar, or lateral raise in the scapular plane). Comfort and safety are key to sticking with your program long enough to see results.

Females perceive supervision during resistance training as more important than males, particularly regarding technical coaching and safety.

Female trainees may benefit more from seeking supervision than male trainees, as they perceive it as more important for technical learning and safety. Trainers should ensure they provide adequate technical coaching and safety oversight for female clients.

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.

Patients prefer surgical weight loss over medical interventions, even when medical interventions offer similar weight loss, but are willing to use adjuvant AOMs post-surgery for additional loss.

Even if a medication could make you lose the same amount of weight as surgery, most patients still prefer surgery. This suggests that surgery offers benefits beyond just the number on the scale, such as durability or health improvements, which patients value highly.

A post-operative 'Difficulty to control eating' score of ≤7 at 3 months after sleeve gastrectomy independently predicts achieving ≥25% total weight loss at one year.

If you had sleeve gastrectomy, use a validated eating control questionnaire (like the CoEQ) around the 3-month mark. A low score on 'difficulty to control eating' (≤7) is a strong signal you will likely achieve significant weight loss (≥25%). If your score is high, seek early behavioral intervention to improve control, as this is a better predictor of success than how much you weighed in the first few weeks.

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.

CrossFit practitioners exhibit a high prevalence (77.7%) of dietary supplement use, primarily whey protein and creatine, driven by goals of performance enhancement and muscle hypertrophy, yet often lack professional nutritional guidance.

If you do CrossFit, you are likely taking supplements, most commonly whey protein or creatine. The main reasons people take them are to build muscle and improve workout performance. However, a majority of users do this without professional advice. To ensure safety and efficacy, consider consulting a sports nutritionist or physician to verify that your supplement choices and dosages align with your specific training intensity and health goals.

Higher knowledge of macronutrients and positive attitudes toward basic nutrition are significantly associated with lower Body Mass Index (BMI) in student-athletes, whereas nutritional practices do not significantly affect BMI distribution.

For student-athletes, improving your understanding of macronutrients and fostering a positive attitude toward nutrition (like hydration and healthy food) is statistically linked to a healthier BMI, even if your actual daily eating habits aren't perfect. Prioritize education and mindset shifts alongside your training.

Attitudes toward basic nutrition have a statistically significant but weak impact on BMI distribution, with a beta coefficient of -0.153 and a p-value of 0.007.

Having a positive attitude toward nutrition (e.g., valuing hydration and healthy food) is weakly linked to lower BMI. While important, attitude alone is not a strong predictor of weight status.

Bodybuilders who consume dietary supplements primarily rely on trainers and nutritionists for information sources rather than medical doctors, leading to the use of common supplements like Vitamin C, Vitamin D, and Whey protein.

If you are a bodybuilder, be aware that your supplement choices are heavily influenced by your trainer and nutritionist. Ensure these sources are well-informed about the latest research, as they are your primary information channel. Common supplements like Vitamin C, Vitamin D, and Whey protein are widely used, but verify their necessity and dosage with a qualified professional.

Bodybuilders who consume dietary supplements do so primarily to increase performance, meet increased nutritional needs from exercise, and prevent injury/improve recovery.

If you are using supplements to enhance performance or meet nutritional needs, ensure you are also focusing on proper training, nutrition, and recovery. Supplements should complement, not replace, these foundational habits.

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.

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.

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.

Participation in a citizen-led, unsupervised online peer coaching community for type 2 diabetes leads to substantial, sustained improvements in weight, waist circumference, fasting glucose, and HbA1c.

Join a supportive, peer-led community focused on lifestyle changes like low-carb diets and fasting. Track your metrics (weight, waist, glucose) regularly and share them. The social support and accountability from others with similar struggles can drive significant, sustained metabolic improvements without needing direct medical supervision.