Browse the evidence

Adherence to macronutrient-restricted diets (low-carb or low-fat) is often inadequate, with many participants failing to meet the specified macronutrient targets, and energy intake often not differing between restricted and ad libitum groups.

Don't stress if you can't hit exact macronutrient targets. Most people in clinical trials don't either. Focus on sustainable habits rather than perfect adherence to specific numbers.

Minoritized racial and ethnic groups in the US Veterans Affairs healthcare system receive significantly less access to evidence-based obesity treatments (medications and bariatric surgery) compared to White patients, despite having universal insurance coverage.

If you are a minority veteran with obesity, do not assume insurance alone guarantees access to the best treatments. Proactively ask your provider about all options, including medications and surgery, and advocate for yourself if you feel you are being steered only toward lifestyle programs.

Minoritized patients are disproportionately funneled into lifestyle counseling (MOVE!) while being underutilized for more effective, intensive treatments like medications and bariatric surgery.

Be aware that you might be offered lifestyle programs first. While these are helpful, they are less effective than medications or surgery for many. Ask your provider why you are not being considered for more intensive treatments if your BMI and health status warrant it.

A structured behavioral group intervention focusing on satiety and healthy eating habits ('Dare to feel full') does not produce superior long-term weight loss or metabolic improvements compared to a brief individual counseling session with standard dietary advice in overweight/obese adults.

For sustainable weight management, intensive group programs may not offer advantages over brief, personalized counseling. Focus on maintaining a healthy, varied diet and regular follow-up rather than seeking complex, time-intensive interventions.

Standardized multidisciplinary care and ERAS protocols reduce postoperative complications to ~1% and shorten hospital stays, improving overall safety and long-term outcomes.

Choosing a bariatric center that uses standardized protocols and multidisciplinary teams (surgeons, endocrinologists, psychologists) significantly lowers the risk of complications and shortens recovery time, leading to safer and more sustainable results.

Using GLP-1 receptor agonists for weight loss results in higher social stigma and lower willingness to affiliate compared to losing weight through diet and exercise, and is stigmatized even more than remaining at a higher weight without attempting weight loss.

If you use GLP-1s for weight loss, be aware that you may face significant social judgment, potentially more than if you stayed at your current weight. This stigma stems from perceptions that medication is an 'easy shortcut' compared to diet and exercise. This social penalty can undermine the psychological benefits of weight loss and may discourage continued treatment. It is important to seek support and understand that this stigma is a social bias, not a reflection of your health efforts.

Regaining weight after discontinuing GLP-1 receptor agonists is stigmatized to a similar degree as regaining weight after discontinuing diet and exercise, and both are stigmatized more than maintaining weight loss.

If you regain weight after stopping GLP-1s, you may face social judgment similar to that faced by those who regain weight after dieting. This stigma is not unique to medication users. Recognize that weight regain is a common outcome and does not reflect a lack of character. Focus on sustainable health practices rather than avoiding social judgment.

Mandatory structured lifestyle modification programs prior to metabolic surgery do not improve post-operative outcomes and may cause harm by delaying access to surgery.

If you are being told you must complete a mandatory weight loss program before surgery, understand that this is likely a bureaucratic or insurance barrier, not a medical necessity. The evidence shows these programs do not improve surgical outcomes and may delay life-saving treatment. Seek a second opinion from a surgeon who follows modern guidelines that do not mandate pre-surgical weight loss.

Higher community population density and greater impervious surface area (urbanization metrics) are associated with significantly lower total physical activity levels in adults.

If you live in a dense urban area, be aware that your total daily movement is likely lower than in rural areas, even if you have access to gyms. To counteract this, you must intentionally incorporate active transport (walking/cycling) and avoid sedentary occupational habits, as urbanization naturally suppresses household and occupational activity.

Inclusion of genetic risk information in personalized nutrition advice does not significantly improve dietary changes, lifestyle behaviors, or weight loss outcomes compared to generic advice.

Do not pay for expensive genetic testing to guide your diet. Large studies show that knowing your genetic risk for obesity or diabetes does not help you lose weight or eat better than standard healthy eating advice. Focus on proven behavioral strategies like tracking intake and physical activity instead.

Standard long-term weight management RCTs for severe obesity (BMI ≥35 kg/m2) systematically exclude or underrepresent underserved groups (low SES, racial minorities, mental health conditions), rendering the evidence base non-generalizable to the populations most at risk of severe obesity.

Current weight management guidelines for severe obesity are largely based on research that excludes the people who need them most (those with lower income, mental health issues, or minority backgrounds). If you belong to an underserved group, standard advice may not work for you because it wasn't tested on people like you. Seek programs that explicitly adapt to your cultural, socioeconomic, and logistical needs, rather than assuming standard protocols will be effective.

Existing patient-reported outcome (PRO) measures for obesity fail to capture key appetite and eating behavior concepts (e.g., duration of fullness, satisfaction after eating, eating between meals) that are relevant to individuals with obesity and likely to change with treatment.

If you are managing obesity, standard questionnaires might miss how you actually feel after eating (satisfaction, fullness duration). This gap means your provider might not fully understand your specific challenges with cravings or portion control. A comprehensive assessment tool (like the EBAQ) can better capture these nuances to tailor your treatment plan.

Primary care physicians systematically overestimate the mortality risk associated with being overweight (BMI 25–29.9), perceiving a significantly higher risk increase than what current meta-analytic evidence supports.

Physicians should be aware that their perception of mortality risk for overweight patients (BMI 25-29.9) is likely inflated compared to actual population data. This overestimation may lead to unnecessary alarm or aggressive interventions for patients who are not obese. Counseling should focus on overall health metrics rather than BMI categories alone, recognizing that the mortality risk for 'overweight' is modest and inconsistent across studies.

Approximately 11.5% of patients undergoing secondary metabolic bariatric surgery (MBS) transfer to a different hospital than their primary procedure, a rate that is underestimated in single-institution registries.

If you are considering secondary bariatric surgery, be aware that about 11% of patients switch hospitals for this procedure. This is often driven by dissatisfaction with weight regain or complications from the first surgery. You are not alone in seeking a second opinion or a different provider if you feel your current care is not meeting your expectations.

Kinovea video analysis software does not provide interchangeable or accurate measurements of barbell velocity, duration, or range of motion compared to the validated Open Barbell System (OBS) for free-weight resistance training exercises.

Do not use Kinovea to prescribe weights or determine when to stop a set based on velocity. It systematically overestimates speed and range of motion in free-weight lifts because it tracks the total path of the bar (including horizontal movement) rather than just vertical displacement. Use a validated linear position transducer (like the Open Barbell System) or percentage-based training if you cannot afford velocity equipment.

Obesity should be clinically classified as a chronic, progressive, and relapsing disease rather than a lifestyle choice or mere risk factor, which is necessary to combat stigma and promote effective long-term management.

Understand that obesity is a chronic medical condition, not a character flaw. This means it requires long-term management strategies similar to other chronic diseases like hypertension or diabetes, rather than short-term 'fixes' based on willpower. Seek care from providers who view it as a disease to manage, not a failure to overcome.

Produce prescription programs do not significantly change BMI z-score in children, despite improvements in fruit and vegetable intake and food security.

While produce prescription programs improve diet and food security for children, they may not immediately impact BMI z-score. Focus on the overall health benefits and improved access to nutritious food rather than expecting immediate changes in weight metrics.

When inequalities in behavioral weight management interventions do exist, they tend to favor 'more advantaged' groups (e.g., older, higher SES, employed) in terms of trial uptake, intervention adherence, and trial attrition.

If you are from a 'less advantaged' background (e.g., lower income, rural, younger), you may face higher barriers to starting or sticking with a weight loss program. This is not a reflection of your ability but of the program's design requiring high personal agency. Seek programs that reduce these barriers.

Approximately half of patients with type 2 diabetes discontinue SGLT-2 inhibitors or GLP-1 receptor agonists within five years, but a significant portion (approx. 25%) reinitiates therapy within one year of discontinuation, suggesting many discontinuations are temporary pauses rather than permanent abandonment.

If you stop your SGLT-2 inhibitor or GLP-1 RA, it doesn't mean you are done with it. About 1 in 4 people restart within a year. This often happens after a hospital stay. If you pause your medication due to illness or surgery, ask your doctor to help you restart it as soon as it is safe, so you don't lose the long-term heart and kidney benefits.

Body weight stigma acts as a significant barrier to healthcare engagement and long-term weight management success.

If you feel judged by healthcare providers, it is a common and valid experience that can hinder your care. Seek out providers who practice weight-inclusive or stigma-informed care. Addressing the psychological burden of stigma is a crucial part of effective obesity management.

Systematic health system protocols, including consistent diagnosis and electronic health record decision support, are required to effectively treat early metabolic disease and prevent progression to advanced diabetes and cardiovascular disease.

Health systems should implement protocols to consistently diagnose and treat early metabolic disease. This includes using electronic health records to flag at-risk patients and providing decision support for lifestyle, medication, or surgery referrals. This systematic approach improves outcomes and reduces long-term healthcare costs.

Initial patient engagement by cardiologists must be handled with discretion, sensitivity, and non-judgmental communication to avoid reinforcing stigma and alienation, which negatively impact quality of care.

If you are overweight, expect your doctor to be respectful and non-judgmental. If you feel judged, it is okay to express your concerns. A good doctor will listen and work with you at your pace.

The 'obesity paradox' in heart failure—where overweight/obese patients have better short-term outcomes than normal-weight patients—is likely confounded by unintentional weight loss from underlying diseases (like cancer) and lead-time bias, rather than being a true protective effect of obesity.

Do not rely on the 'obesity paradox' to avoid weight management. The idea that being overweight helps heart failure is likely a statistical error caused by sick people losing weight unintentionally. Intentional weight loss is associated with better clinical outcomes.

Providing free, convenient gym access to employees does not significantly improve weight loss outcomes compared to standard behavioral interventions, as gym usage remains low and weight loss is driven by the behavioral program rather than facility proximity.

Buying a gym membership or working near a gym will not automatically make you lose weight. In this study, people who worked near the gym used it more often, but they didn't lose more weight than those who didn't. Weight loss came from the behavioral program (diet/lifestyle coaching), not the gym access itself. Focus on the behavioral changes (diet, activity habits) rather than just buying access to facilities.