Browse the evidence

Access to semaglutide 2.4 mg is significantly hindered by national shortages, high costs, and insurance coverage issues.

Secure insurance coverage early. Be aware of potential shortages and costs. Utilize patient assistance programs if out-of-pocket costs are prohibitive.

Endoscopic sleeve gastroplasty (ESG) demonstrates a high safety profile with a serious adverse event (SAE) rate of 1.8%, significantly lower than laparoscopic sleeve gastrectomy (LSG), making it a preferred option for patients prioritizing safety over maximum weight loss efficacy.

If you are struggling with obesity (BMI 30-40) and have tried diet and exercise without success, ESG offers a middle ground between non-surgical methods and invasive surgery. It involves stitching the stomach to create a sleeve, which restricts food intake. The main benefit is safety: serious complications occur in less than 2% of cases, which is lower than traditional laparoscopic surgery. Expect a hospital stay of 2-3 days and an average procedure time of 55 minutes. While you may not lose as much weight as with invasive surgery, the risk profile is significantly more favorable.

TCF7L2 and ADRB2 polymorphisms do not significantly influence total body weight changes in patients undergoing diet or metformin therapy.

While your genetics (TCF7L2 and ADRB2) may influence where you lose fat or how your body shape changes, they do not appear to affect your total body weight during diet or metformin therapy. Focus on body composition rather than just the scale.

Humans have evolved anatomical and physiological adaptations (elongated small intestine, reduced colon) that exacerbate the decoupling of host and microbial nutrient status compared to other primates.

Your anatomy is optimized for high-digestibility foods. To support your gut microbiome, you must consciously introduce low-digestibility fibers that your anatomy doesn't naturally prioritize, as your evolved gut structure favors rapid absorption over microbial fermentation.

Dysbiosis (specifically reduced SCFA-producing bacteria and increased pro-inflammatory taxa) contributes to the pathogenesis of Type 2 Diabetes through mechanisms involving gut permeability, LPS-driven inflammation, and impaired insulin signaling.

Maintaining gut health through a fiber-rich diet may help manage blood sugar levels by reducing inflammation and improving insulin sensitivity. This is particularly relevant for those with or at risk for Type 2 Diabetes.

Training to failure does not produce a repeated bout effect (RBE) that mitigates longitudinal fatigue or recovery differences over an 8-week period.

Training to failure does not seem to 'protect' you from future fatigue or soreness over time. If you choose to train to failure, expect similar fatigue levels to submaximal training in the long run, but potentially lower strength gains.

Proximity to failure does not significantly influence muscle hypertrophy, as hypertrophy outcomes were similar across all training groups despite differences in strength.

You do not need to train to failure to build muscle. This study found no clear difference in muscle growth between training close to failure and stopping well before failure. Focus on consistent volume and progressive overload rather than grinding out reps to failure.

Orlistat is generally not recommended for people living with HIV on combined antiretroviral therapy (cART) due to the risk of reduced absorption of antiretroviral drugs and subsequent loss of viral control.

Do not take Orlistat if you are on HIV medication without explicit approval from your doctor. It can block the absorption of your HIV drugs, causing your viral load to rise. There are safer alternatives available.

Modifying structural and social determinants of health (SDOH), such as housing and economic stability, is a necessary lever for achieving health equity in obesity treatment, as individual-level interventions alone fail to address root causes of disparities.

To improve obesity outcomes for marginalized groups, interventions must go beyond diet and exercise advice. They need to address structural barriers like housing stability and income. Policy changes and community-level investments are essential to create equitable opportunities for health.

The association between SFA intake and dyslipidemia is modified by LDL-C-related genetic polymorphisms, specifically rs6102059.

Genetic testing for LDL-C-related polymorphisms like rs6102059 may help identify Filipino women who are particularly sensitive to the dyslipidemia risks of high SFA intake. Those with CC alleles should be especially cautious with saturated fat intake.

An altered enteric microbiome contributes to obesity by enhancing energy harvest from dietary roughage, modulating intestinal physiology to slow transit, and influencing the entero-insular axis and central nervous system to increase appetite and fat storage.

Your gut bacteria play a significant role in how much energy you get from food and how your body stores it. While diet and exercise remain important, understanding that your microbiome influences hunger, fat storage, and nutrient absorption can help explain why weight management is challenging. Strategies like targeted probiotics or dietary changes that support a healthy microbiome may offer additional support alongside traditional lifestyle changes.

Improvement in cellulite severity is not significantly correlated with changes in body weight or fat mass, indicating that local structural and metabolic-dermal interventions are primary drivers of cellulite reduction rather than systemic adiposity loss.

If you are trying to reduce cellulite, relying solely on weight loss or fat loss may not yield visible improvements in skin texture. This study suggests that combining systemic metabolic health (e.g., managing insulin/inflammation) with targeted local treatments (like specific topical formulations) is more effective for cellulite than weight loss alone. Focus on local tissue health and metabolic balance rather than just the scale.

In non-beta tissues (liver, kidney, skeletal muscle, adipose), the mitochondrial benefits of GLP-1RAs are likely a combination of direct receptor signaling and indirect systemic improvements such as weight loss and reduced inflammation.

While GLP-1 drugs improve mitochondrial health in organs like the liver and muscles, these benefits are partly due to the overall reduction in body weight and blood sugar. It is a combined effect of losing weight and the drug's direct action on cells.

Nutritional interventions involving proteins, amino acids, and other nitrogenated supplements do not promote increased muscle mass in PLWH.

Do not rely solely on protein or amino acid supplements to increase muscle mass in PLWH; they have not been shown to be effective in this population.

Biliopancreatic Diversion (BPD) appears to be the most effective bariatric surgery for achieving T2DM remission and lowering HbA1c levels, although evidence is sparse due to limited study numbers.

Biliopancreatic Diversion (BPD) shows the strongest potential for reversing Type 2 Diabetes and significantly lowering HbA1c levels among all bariatric surgeries. However, because very few studies have evaluated it, its use is limited by concerns over surgical complexity and complications. It should be considered for patients with severe T2DM and obesity who are willing to accept higher surgical risks for the best chance of remission.

Marathon running induces significant, transient cardiac stress markers (Hs-TnT, ST2, NT-proBNP) in both men and women, with values returning to baseline within 48 hours, indicating that acute cardiac damage is a normal physiological response to extreme endurance efforts rather than necessarily pathological.

Do not panic if your cardiac biomarkers (like troponin) are elevated immediately after a marathon. This is a common, transient physiological response to extreme exertion. In healthy individuals, these levels typically return to baseline within 48 hours. Persistent symptoms or failure of markers to normalize should be evaluated by a physician.

Human milk consumption in infancy is associated with lower risk of obesity, type 2 diabetes, and cardiovascular disease in adulthood, mediated by improved glucose homeostasis, lipid metabolism, and gut microbiota modulation.

Breastfeeding offers long-term metabolic advantages, including lower risks of obesity and diabetes, likely due to unique components like oligosaccharides that shape gut health and energy regulation. If breastfeeding is not possible, focus on high-quality nutrition for the infant, as the metabolic programming benefits are significant but not exclusive to breast milk.

Extrusion cooking of wholegrain pearl millet promotes the formation of amylose-lipid complexes (ALCs) that moderate the release of reducing sugars and slow starch digestion compared to native or cooked native flour.

If you eat pearl millet, choosing extruded wholegrain flour and preparing it with warm (not boiling) water can help slow down how quickly your body digests the starch. This processing method creates complexes that moderate sugar release, potentially offering better metabolic control than traditional cooked porridge.

Initial skeletal muscle size (leg fat-free mass or quadriceps cross-sectional area) does not predict the magnitude of muscle atrophy following 14 days of unilateral lower limb immobilization in men.

If you are injured and must immobilize a limb, do not assume that having larger muscles will cause you to lose them faster than a smaller person would. The rate of muscle loss during short-term immobilization (14 days) is not determined by your starting muscle size. Focus on adhering to your rehabilitation protocol and maintaining adequate protein intake.

Habitual hot-tub bathing (≥4 times/week) is associated with statistically significant, albeit small, improvements in glycemic control (HbA1c), body mass index (BMI), and diastolic blood pressure in patients with Type 2 Diabetes Mellitus.

If you have Type 2 Diabetes, taking a hot tub bath at least four times a week for about 16 minutes is associated with slightly better blood sugar control, lower body weight, and lower diastolic blood pressure. This is not a replacement for medication, but a supportive lifestyle habit. Be cautious if you are elderly or have existing heart conditions, and consult your doctor before starting.

Combining protein supplementation with exercise does not provide a robust benefit for bone mineral content (BMC) or density (BMD) in middle-aged and older adults compared to exercise or protein alone.

If your goal is bone health, focus on consistent resistance or weight-bearing exercise and adequate protein intake separately. Adding extra protein supplements on top of your exercise routine does not currently show evidence of providing additional bone density benefits compared to doing just one of those things alone.

Dietary interventions (caloric restriction, high-fat, high protein-to-carbohydrate ratios, and specific micronutrients) administered during critical developmental windows (puberty, pregnancy, or lifetime) can induce transgenerational epigenetic modifications that protect offspring against environmental toxins.

To potentially protect future generations from environmental toxins, parents should consider adopting protective dietary patterns—such as high protein-to-carbohydrate ratios, caloric restriction, or specific micronutrient supplementation—during critical life stages like puberty, pregnancy, or throughout their lifetime. These dietary choices can induce epigenetic changes that may persist for multiple generations.

Age is the most significant factor for multimorbidity, with individuals over 60 years old having a 5.89 times higher likelihood of reporting two or more chronic diseases compared to those under 49.

As you age, the risk of developing multiple chronic conditions increases significantly. However, managing modifiable risk factors like blood pressure and weight can help mitigate this risk. Regular health screenings and adherence to medication for conditions like hypertension and diabetes are crucial for older adults to prevent multimorbidity.

A multidisciplinary care model involving plastic surgeons, bariatric specialists, dieticians, and mental health providers is essential for optimizing safety and outcomes in body contouring surgery for massive weight loss patients.

If you are considering body contouring after significant weight loss, ensure your care team includes not just a surgeon, but also a dietitian to check for nutrient deficiencies, a mental health professional to manage expectations, and a primary care doctor to manage conditions like diabetes. This coordinated approach minimizes complications and improves long-term satisfaction.