Browse the evidence

Societal stigma surrounding obesity negatively impacts psychological, physical, and socioeconomic health, and hinders engagement with obesity services.

Recognize that societal stigma is a major barrier to your health. Healthcare providers are encouraged to approach these topics sensitively and with your permission. You deserve compassionate care regardless of your weight.

Higher baseline physical activity engagement during early pregnancy predicts continued moderate physical activity in the third trimester, regardless of BMI or military status.

If you are physically active before and during early pregnancy, you are highly likely to maintain that activity level through the third trimester. Focus on establishing a consistent activity routine early on, as this habit is the strongest predictor of staying active later in pregnancy, more so than your weight or job status.

Patients who transfer hospitals for secondary MBS are significantly younger, have fewer obesity-related comorbidities (hypertension, GERD), and are more likely to undergo secondary surgery for recurrent weight gain compared to those who stay.

If you are younger and generally healthy but are experiencing weight regain after your first bariatric surgery, you are part of a common group that seeks a second opinion or a different surgeon for revisional surgery. This is often driven by dissatisfaction with the amount of weight lost rather than medical complications.

Increasing cardiorespiratory fitness (CRF) reduces morbidity and mortality regardless of changes in body weight or BMI, whereas intentional weight loss in healthy overweight/obese individuals does not improve and may increase mortality risk.

Stop focusing on weight loss as the primary health goal. Instead, aim for 150 minutes of moderate-intensity physical activity per week (like brisk walking or cycling). This level of activity significantly reduces your risk of death and heart disease, regardless of whether you lose weight. Prioritize feeling stronger and more energetic over the number on the scale.

Weight management interventions delivered by non-medical practitioners (e.g., health coaches) are as effective as those delivered by general practitioners (GPs) or nurses.

You don't need to see a doctor for every weight management visit. Programs led by health coaches or nurses, especially when supervised by a doctor, are just as effective. Focus on finding a program with good support and regular contact.

Short-term GPS-enabled physical activity interventions (≤3 months) produce greater weight loss effects than longer-term interventions (≥6 months).

If you start a fitness tracking program, expect the biggest results in the first 3 months. To maintain weight loss after that, you must actively work to keep the habit, as the 'newness' of the app will wear off. Consider switching to a less intrusive tracking method or adding social accountability to sustain engagement beyond the initial quarter.

Produce prescription programs significantly reduce household food insecurity and improve self-reported health status in both adults and children.

If you are experiencing food insecurity, ask your healthcare provider about produce prescription programs. These programs can provide financial support for buying fruits and vegetables, which may help improve your overall health and reduce stress related to food access.

Intensive lifestyle modification (including meal replacements and frequent counseling) combined with semaglutide does not produce significantly greater long-term weight loss than semaglutide alone with brief counseling, suggesting the medication's efficacy may render intensive behavioral interventions redundant for long-term outcomes.

When taking semaglutide, intensive lifestyle programs (like meal replacements and frequent counseling) do not significantly improve long-term weight loss compared to brief counseling. The medication's effect is so strong that it largely overrides the need for intensive behavioral strategies for weight loss, though lifestyle changes remain important for health.

Short-term caloric restriction is insufficient for managing obesity because it fails to target the underlying mechanisms of the disease, whereas personalized, lifelong nutrition management is required.

Avoid 'diets' that end after a few weeks. Focus on a personalized, sustainable eating pattern that you can maintain for life to manage your weight and metabolic health.

Continuous Glucose Monitoring (CGM) is a mainstay of diabetes management that improves glycemic control by tracking time in range and tailoring drug regimens, and serves as a motivational tool for lifestyle choices.

If you have diabetes, ask about Continuous Glucose Monitoring (CGM). It helps you and your doctor adjust medications and see how food and exercise affect your blood sugar in real-time.

Discontinuation of GLP-1 therapy for obesity leads to significant weight regain (up to two-thirds of lost weight within one year), even when accompanied by conventional nutritional counseling, highlighting the need for long-term lifestyle support.

If you stop taking your GLP-1 medication, you will likely regain a significant portion of the weight you lost, even if you try to eat well. This is because the medication helps manage hunger signals that return when you stop taking it. To maintain your weight loss, you need a robust, long-term lifestyle plan, not just standard diet advice, and you may need to stay on the medication long-term.

Behavioral weight management interventions (WLs and WLMs) generally do not exacerbate health inequalities, as most trials find no significant gradient in uptake, adherence, or outcomes across socioeconomic and demographic groups.

Most behavioral weight loss programs work similarly across different social groups. If you are from a disadvantaged background, do not assume the program will fail you; most evidence shows no difference in outcome compared to advantaged groups. However, if you do struggle with adherence, it may be because the program requires high personal agency (time/education) which might be a barrier for you.

Overreliance on BMI as the sole metric for obesity management hinders clinical implementation and confuses clinicians, leading to suboptimal care; waist circumference is a more useful tool for assessing health risk.

Ask your clinician to measure your waist circumference, not just your BMI. This provides better insight into your cardiovascular risk and helps prioritize obesity management interventions.

Physical inactivity and hospitalization-induced bed rest accelerate muscle mass and function loss in older adults at a rate 3-6 times faster than in younger adults, with incomplete recovery.

If you are older, avoid unnecessary bed rest. If hospitalization is unavoidable, ask for early mobilization and physical therapy to mitigate the rapid 3-6x accelerated muscle loss that occurs during inactivity.

Patients treated with SGAs show higher cravings for fat and carbohydrates compared to other food types, and exhibit small increases in dietary disinhibition and restrained eating.

SGA treatment is associated with increased cravings for fats and carbohydrates, as well as higher dietary disinhibition (loss of control over eating) and restrained eating (strict dieting). This combination can make weight management difficult. Focus on managing cravings and avoiding extreme restriction, which may backfire, by working with a dietitian to create a sustainable eating plan.

Weight stigma and internalized bias in healthcare settings negatively impact obesity treatment outcomes by reducing care access, increasing weight gain, and causing exercise avoidance, whereas weight-inclusive, body-positive messaging improves exercise intention and adherence.

Healthcare providers should use weight-inclusive language (e.g., 'movement' instead of 'exercise') and create a stigma-free environment. Patients should seek providers who focus on health behaviors rather than just weight loss, as this improves adherence and reduces the psychological burden of obesity.

Lifestyle interventions for type 2 diabetes prevention in women with a history of gestational diabetes are only effective if they are underpinned by a behavior change theory.

For women with a history of gestational diabetes, lifestyle interventions are most effective at preventing type 2 diabetes when they are designed using established behavior change theories (like Social Cognitive Theory or Health Belief Model). Simple advice without a structured behavioral framework may not be sufficient.

Telemedical lifestyle intervention (TeLIPro) significantly improves HbA1c, body weight, and BMI in Type 2 Diabetes patients with long-standing disease (≥5 years) compared to routine care, but effects are not sustained after coaching ends.

For long-standing Type 2 Diabetes, structured telemedical coaching with self-monitoring (glucose, weight, steps) significantly lowers HbA1c and weight compared to standard care. However, these benefits disappear if coaching stops, suggesting that ongoing support is necessary to maintain metabolic improvements.

Adherence to digital GLP-1 RA-supported weight loss programs is significantly influenced by patient demographics, with older, Caucasian, and overweight individuals adhering significantly longer than younger, non-Caucasian, and higher BMI-class peers.

If you are using a digital GLP-1 program, be aware that adherence varies by demographic. Older, Caucasian, and overweight individuals in this study tended to stay in the program longer. However, the most common reasons for stopping are cost and side effects. To improve your chances of long-term success, proactively manage side effects with your care team and address financial concerns early, as these are the primary drivers of discontinuation.

In real-world digital weight loss programs combining behavioral therapy and GLP-1 receptor agonists (GLP-1 RAs), inadequate supply of the desired medication is the primary driver of patient discontinuation, outweighing cost and dissatisfaction with outcomes.

If you are using a digital weight loss program that includes GLP-1 medication, expect that medication supply issues are the most common reason for stopping treatment. To stay in the program, be prepared to discuss alternative medications with your care team if your preferred drug is unavailable, rather than discontinuing entirely. Also, consider the total value of the multidisciplinary support (doctors, dietitians, nurses) when evaluating the monthly cost, as cost is the second most common reason for dropping out.

Early weight loss (first 14 days) in a behavioral weight management program predicts long-term weight loss trajectory patterns, specifically differentiating those who achieve sustained loss from those who do not, although it does not distinguish between different types of successful sustained loss patterns.

If you are starting a weight loss program, do not judge your success or failure in the first two weeks. The data shows that how much you lose in the first 14 days does not predict *how* you will lose weight long-term (steady vs. plateau), but it does predict *if* you will lose weight significantly. If you are not losing weight early, do not quit. Instead, focus on adherence. If you are losing weight, do not expect that fast loss will continue linearly. The key to long-term success is staying in the program for the long haul, regardless of the initial speed.

Sedentary behavior exceeding 9 hours per day significantly increases the odds of hypertension and diabetes, with stronger associations observed in socioeconomically vulnerable populations (Basic Livelihood Security recipients) compared to non-recipients.

If you sit for more than 9 hours a day, your risk for high blood pressure and diabetes increases significantly, especially if you have limited income. To mitigate this, do not sit continuously for long periods. Break up your sitting time with light activity, such as standing or walking for a few minutes, as this improves blood sugar control and vascular health even if you do not have time for formal exercise.

Comprehensive obesity care requires the integration of behavioral health support to address weight stigma, disordered eating, and the psychosocial impacts of large magnitude weight loss, which medical management alone cannot resolve.

Obesity treatment involves more than just weight loss; it includes managing the psychological impact of the disease. Seek out behavioral health support to address weight stigma, disordered eating, and the emotional changes that come with significant weight loss.

Health and wellness coaching (HWC) interventions for obesity and Type 2 Diabetes (T2D) demonstrate beneficial clinical findings, but current randomized controlled trials (RCTs) exhibit moderate design quality (average 56.7% score), with T2D studies showing significantly better intervention design fidelity than obesity studies.

Health coaching works for obesity and diabetes, but the quality of the coaching matters more than just the number of sessions. Look for coaches who are certified (NBHWC) and use structured behavior change strategies. For obesity, ensure the program is long-term (over 4 months) and includes frequent sessions, as these studies showed lower design quality and potentially less effective delivery compared to diabetes programs.