Browse the evidence

Obesity and the associated accumulation of bone marrow adipocytes disrupt normal hematopoiesis and immune function by creating a pro-inflammatory environment mediated by TLR4 activation, leading to impaired immune responses and increased morbidity/mortality during infections.

Obesity is not just a metabolic issue; it biologically alters your bone marrow environment. Excess fat in the marrow drives chronic inflammation and impairs the production and function of immune cells, making infections more dangerous. Managing weight can help restore normal immune niche function.

Following a 6-month calorie restriction-induced weight loss, resting metabolic rate (RMR) does not significantly adapt (decrease beyond prediction based on body composition), whereas energy expenditure for physical activity (EEPA) significantly decreases, yet neither component's adaptation predicts subsequent weight regain.

Don't fear that your metabolism has permanently slowed down after losing weight. This study shows that while you might move less (lower EEPA), your resting metabolic rate stays proportional to your new body size. More importantly, these metabolic changes didn't predict who would regain weight, suggesting that behavioral factors, not just metabolic adaptation, are key to maintenance.

GLP-1 receptor agonist therapy induces predictable reductions in fat-free mass (approximately 30-40% of total weight loss) due to sustained negative energy balance, not direct catabolic effects.

Expect that about a third of your weight loss on GLP-1s will be muscle/fluid, not just fat. This is normal physiology, not a side effect. To mitigate this, prioritize protein intake and resistance training, especially if you have low testosterone.

Unintentional weight loss is independently associated with increased cardiovascular disease incidence and mortality.

If you are losing weight without trying, see a doctor. It can be a sign of serious health issues that increase your risk of heart disease and death.

Higher body mass index (BMI) causes structural remodeling of the right ventricle, specifically increasing end-diastolic and end-systolic volumes, independent of left ventricular measures.

Maintaining a healthy BMI is crucial for protecting the structure of your right ventricle. This study shows that higher body weight is causally linked to larger heart volumes, which can lead to dysfunction over time. Weight management strategies, including diet and exercise, can help prevent this structural remodeling.

Tirzepatide improves metabolic and inflammatory markers in alcohol-consuming rodents, including reducing body weight, white adipose tissue, hepatic triglycerides, and pro-inflammatory cytokines.

Tirzepatide improves metabolic health and reduces inflammation in alcohol-consuming rodents, potentially addressing comorbidities of AUD.

Higher BMI (Class 2+ obesity, ≥35 kg/m2) is consistently associated with increased odds of mobility, severe mobility, and IADL disability in older adults with type 2 diabetes, regardless of intervention group.

Maintaining a BMI below 35 kg/m2 is crucial for preserving mobility and independence in older adults with type 2 diabetes. While moderate weight loss might not be the primary goal for everyone, avoiding Class 2+ obesity (BMI ≥35) is strongly associated with lower risks of severe mobility and instrumental activities of daily living (IADL) disability.

Bariatric surgery (RYGB, Sleeve Gastrectomy) significantly reduces long-term cardiovascular mortality and incidence of coronary heart disease, stroke, and myocardial infarction compared to non-surgical management.

For severe obesity, bariatric surgery is the most effective long-term treatment for preventing heart attacks, strokes, and death. It works by creating lasting metabolic changes and weight loss.

The rates of CVD and death are higher in men compared to women and in rural compared to urban areas.

Public health interventions should target men and rural populations to reduce CVD incidence.

The simultaneous target of low sodium intake (<2 g/day) with high potassium intake (>3.5 g/day) is extremely uncommon.

Practitioners should note the difficulty in achieving both low sodium and high potassium intakes in dietary practices.

Participants with diabetes were at higher risk of all-cause and CVD mortality and CVD incidence.

Healthcare providers should monitor diabetes patients closely for CVD and mortality risks.

Low grip strength may be useful to identify a higher-risk subgroup of patients with diabetes.

Clinicians should consider grip strength assessments in diabetes management.

Cardiovascular disease (CVD) was the most common cause of death in South Asia, accounting for 35.5% of deaths.

Health policies should prioritize CVD prevention strategies in South Asia.

Rural areas had a higher incidence of CVD (5.41 per 1000 person-years) and a higher mortality rate (10.27 per 1000 person-years) compared to urban areas.

Targeted interventions in rural areas may be necessary to reduce CVD incidence and mortality.

Cardiovascular disease (CVD), cancer, and respiratory diseases account for over two-thirds of deaths in South America.

Health interventions should focus on CVD, cancer, and respiratory diseases to reduce mortality.

The workshop emphasized the optimization of interventions and the effectiveness and implementation of trials.

Practitioners should consider these emphasized areas to improve behavioral intervention effectiveness.

Individuals participating in SNAP exhibited higher total and cardiovascular disease mortality than both SNAP-eligible nonparticipants and SNAP-ineligible individuals.

Public health efforts should prioritize understanding and addressing the health outcomes of SNAP participants.

Participants in SNAP have higher diabetes mortality across races/ethnicities.

Health interventions should consider the increased diabetes mortality risk among SNAP participants.

Body mass index (BMI) and waist circumference increased in both sexes over five years.

Practitioners should be aware of the increasing adiposity trends in this population.

Women moved to higher BMI categories and more were diagnosed with central obesity over five years.

Interventions should target women to address rising obesity rates.

No significant association was found between the multidimensional macronutrient quality index (MQI) and all-cause mortality.

Practitioners should note that overall macronutrient quality, as measured by the MQI, does not appear to influence all-cause mortality risk.

The hazard ratio for the highest vs. the lowest quartile of the MQI was 0.79, indicating no significant difference in mortality risk.

The lack of significant difference in mortality risk suggests that overall macronutrient quality may not be a critical factor for longevity.

A nomogram was established and validated for predicting the risk of type 2 diabetes in obese patients with non-alcoholic fatty liver disease.

Clinicians can use this nomogram for risk stratification in obese NAFLD patients.

The nomogram was constructed using five independent predictors selected from 17 variables.

Understanding the predictors can help in tailoring prevention strategies.