Browse the evidence

Tailoring diabetes self-management support (DSMS) interventions with male peer leaders and gender-specific content improves engagement and outcomes for Black men with type 2 diabetes compared to standard care.

For Black men over 55 with Type 2 Diabetes, standard medical advice may not be enough due to social and cultural barriers. This protocol suggests that joining a group-led support program specifically designed for men, led by other men who understand your specific challenges, can help you stick to your diabetes management plan better than standard care alone. Look for programs that emphasize strength, competence, and peer support rather than just clinical instruction.

Integrating Bluetooth-connected blood glucose meters with popular digital health therapeutics (Noom, Fitbit, Cecelia Health, Welldoc) for 3 months significantly lowers HbA1c in people with type 2 diabetes.

If you have Type 2 Diabetes and struggle with glucose control, using a Bluetooth-connected glucose meter paired with a popular health app (like Noom, Fitbit, or a coaching app) for 3 months can significantly lower your HbA1c. You don't need to test constantly (average 1.5 times/day was effective) or change your medications. The key is choosing an app that fits your lifestyle and engaging with it daily to track your progress and receive feedback.

In multi-component weight loss interventions, high therapeutic alliance and empathic advisor-participant relationships are critical for success, whereas strict adherence to all prescribed behavioral content (e.g., goal-setting, complex motivational interviewing) is not required and may be less impactful than the interpersonal climate.

When starting a weight loss program, prioritize building a good relationship with your advisor over memorizing every single rule or completing every worksheet. Studies show that weight loss success is not determined by how much of the manual you cover, but by the quality of the support and empathy you receive. Focus on consistent, manageable changes and maintain open communication with your advisor.

Combined adherence to healthy lifestyle factors (Mediterranean diet, physical activity, non-smoking, moderate alcohol, ideal weight) significantly reduces the risk of developing periodontitis and tooth loss.

Your gum health depends on more than just brushing. Combining a healthy diet (like Mediterranean), regular exercise, not smoking, and maintaining a healthy weight significantly lowers your risk of gum disease and tooth loss, even if your brushing habits are average.

Following the relaxation of COVID-19 lockdown restrictions, rugby union players showed increased self-reliance in food purchasing and preparation, with 67% purchasing and 71% preparing their own food, and reported higher motivation to train compared to during lockdown.

When returning to normal training after a disruption, expect your motivation to increase and your ability to manage your own nutrition to improve. Take advantage of this by taking full responsibility for purchasing and preparing your own meals to ensure they align with your performance goals.

Social interactions between sedentary individuals and moderately active individuals are the primary driver for transitioning sedentary populations to physically active habits.

To build a lasting exercise habit, do not rely on willpower alone. Actively seek out social environments where moderate physical activity is the standard. Join groups or classes where you interact with moderately active peers, as their influence is the strongest predictor of your own persistence.

Social interactions that draw moderately active individuals into sedentary behaviors are the primary cause of exercise persistence failure (recidivism).

Protect your exercise gains by managing your social environment. If your social circle is predominantly sedentary, you are at high risk of dropping out. Limit social activities that reinforce sedentary behavior and seek interactions that support active lifestyles.

Telemedicine (video visits) delivers clinically significant weight loss outcomes equivalent to in-person care for patients with overweight or obesity receiving medically managed treatment with anti-obesity medications.

If you are using weight loss medication, seeing your doctor via video is just as effective for losing weight as seeing them in person. In fact, video visits might allow you to see your provider more often (median 5 times vs 4) because it is easier to schedule, which supports better adherence to your treatment plan.

A national produce prescription program for patients with diabetes and food insecurity is projected to improve diet, BMI, and HbA1c, thereby reducing long-term cardiovascular disease outcomes, improving quality-adjusted life-years, and generating health care cost savings.

If you have diabetes and struggle with food insecurity, a produce prescription program can help you eat more fresh fruits and vegetables. This change in diet can lower your risk of heart disease and diabetes complications, improve your daily quality of life, and potentially save money on healthcare costs over time. Talk to your healthcare provider about accessing such programs.

Empirical metrics such as the 10:1 carbohydrate-to-fiber ratio (and modified versions including added sugar limits) effectively identify high-quality carbohydrate products and are associated with better cardiometabolic health markers, including lower triglycerides and improved insulin sensitivity.

When choosing packaged carbohydrate-rich foods, look for the 10:1 carbohydrate-to-fiber ratio. This means for every 10 grams of total carbohydrate, there should be at least 1 gram of fiber. Modified ratios that also limit added sugars (e.g., <1g or <2g added sugar per 10g carb) are even better. This simple metric helps you avoid refined grains and added sugars while prioritizing nutrient-dense options.

Participation in a one-unit Foodprint seminar significantly increases vegetable intake and decreases ruminant meat consumption, resulting in a 14% reduction in dietary carbon footprint among college students.

To reduce your dietary carbon footprint, consider taking a course or workshop focused on food systems and sustainability. This specific 'Foodprint' model uses active learning to help you calculate the environmental impact of your food choices. The result is a measurable increase in vegetable consumption and a decrease in ruminant meat (beef/lamb) and sugar-sweetened beverages, leading to a significant reduction in your dietary carbon footprint.

The NOVA classification system, which categorizes foods based on the extent and purpose of processing, is a more useful framework for public health than nutrient-based classification systems.

Use the NOVA framework: prioritize unprocessed or minimally processed foods (Category 1), limit processed culinary ingredients (Category 2), and avoid ultra-processed foods (Category 4). This is simpler and more effective than focusing solely on nutrient counts.

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.

Cultural norms prioritizing commensality, pleasure, and 'natural' food sourcing can act as protective factors against obesity by promoting mindful, socially-integrated eating behaviors, whereas rigid dieting and external pressure to overeat are identified as major obstacles to weight management.

If you are in a culture that values social eating and 'natural' foods, leverage this by focusing on the quality and social aspect of meals rather than strict calorie counting. Avoid rigid 'diets' which are culturally viewed as harmful; instead, prioritize seasonal, local foods and shared meals. Be aware that stress and social pressure can disrupt hunger cues, so practice mindful eating in social settings.

Automated dietary assessment using natural spoken language (COCO app) yields energy and macronutrient intake estimates that are statistically equivalent to the gold-standard multiple-pass 24-hour recall method, while significantly reducing user burden.

If you want to track your diet accurately without spending hours typing into an app, try a voice-logging tool. This study shows that speaking your meals into a smart app produces results just as accurate as a professional dietitian's interview, making it a sustainable way to monitor intake for weight management.

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%).

Patients perceive lifestyle factors (diet, exercise) and biological factors (genetics, metabolism) as causes of obesity, but often lack understanding of the biological mechanisms, leading to a focus on willpower and emotional eating as primary determinants of weight loss maintenance.

Patients often believe that willpower and exercise are the main keys to keeping weight off, ignoring biological factors. This can lead to feelings of failure when willpower runs out. It is important to educate patients that biological factors also play a role, and that using medical interventions alongside lifestyle changes is valid and effective.

Patients perceive emotional eating, driven by stress, depression, and childhood adversity, as a significant cause of obesity and a barrier to weight loss maintenance.

For patients who eat in response to stress or depression, addressing the emotional root cause is crucial. Simply focusing on diet and exercise may not be enough. Psychological support and coping strategies can help manage emotional eating.

Frequent eating out of home is negatively correlated with sleep duration and physical activity time.

Frequent eating out is linked to shorter sleep and less physical activity. If you eat out often, be aware that this may be part of a broader pattern of reduced self-care. Try to schedule sleep and exercise as non-negotiable appointments, even if it means preparing simpler meals at home.

Nudge techniques (environmental modifications influencing behavior) result in modest but significant weight loss, particularly in men with severe obesity.

Modify your environment to make healthy choices easier (e.g., keep healthy food visible, remove unhealthy food from sight). This is particularly effective for men with severe obesity.

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.

Intensive lifestyle intervention reduces the incidence of major cardiovascular events in adults with type 2 diabetes who do NOT have a baseline history of cardiovascular disease.

For people with type 2 diabetes but no prior heart disease, intensive lifestyle changes aiming for weight loss and regular exercise may lower the risk of heart events, although the evidence is not statistically definitive. The trend suggests a benefit.

Immersive Virtual Reality (IVR) cable resistance exergaming elicits muscle activation patterns and metabolic demands comparable to traditional resistance training while significantly reducing perceived exertion through dissociative attention.

If you struggle with resistance training because it feels too hard or boring, try an IVR system with adaptive resistance (like Black Box VR). It automatically adjusts weights to keep you near muscle failure, which builds strength and muscle effectively. The game environment distracts you from the fatigue, making high-intensity workouts feel more enjoyable and sustainable than traditional gym routines.