Browse the evidence

There is no significant association between competitor characteristics (age, sex, drug status, level) and the use of carbohydrate-based peaking strategies or the length of the peaking strategy.

Do not assume your carbohydrate strategy must change based on your sex, age, or drug status. The study found no link between these factors and CHO strategy choice. However, be aware that the *range* of carbohydrate intake (high vs low days) during peak week is significantly influenced by sex.

GLP-1RAs may pose theoretical risks for individuals with restrictive eating disorders (e.g., Anorexia Nervosa) or high perfectionism, as appetite suppression can mask or reinforce rigid control and compensatory behaviors.

If you have a history of restrictive eating disorders or high perfectionism, GLP-1RAs require careful monitoring. The medication's ability to suppress appetite might mask or worsen restrictive behaviors, so prescribers should screen for these risks and watch for red flags like rapid weight loss or dizziness.

Pharmacotherapy may reduce bariatric surgical volume, particularly among patients with BMI 30-40, by providing a less invasive alternative.

If you have a BMI between 30 and 40, you now have a highly effective non-surgical option that may prevent the need for surgery. This is changing how doctors treat obesity.

Young adult males aiming to improve strength or develop muscle hypertrophy do not consistently follow current strength and conditioning recommendations, indicating a gap between guidelines and actual training practices.

If you are a young man trying to build muscle or strength, check if your current routine matches official guidelines (frequency, volume, intensity). If you are unsure, consult a certified strength and conditioning specialist to align your training with evidence-based standards rather than guessing.

Current US pharmacy school curricula provide insufficient education on obesity management and anti-obesity medications (AOMs), resulting in pharmacists being poorly prepared to counsel patients on pharmacotherapy options.

Pharmacists should recognize that current training may be insufficient for managing obesity pharmacotherapy. Seek out continuing education, such as the Obesity Medicine Association's proficiency badge or ASHP certificates, to bridge the gap in knowledge regarding AOMs and obesity management.

Automated dietary monitoring using social media data (text and images) is technically feasible and usable, but current accuracy levels (approx. 51% for fusion models) are insufficient for precise clinical nutrient tracking without manual verification.

Social media-based dietary apps can help you track food by reading your posts, but they are not yet accurate enough to rely on for precise calorie or nutrient counting. Use them as a rough guide or habit-builder, but verify specific nutritional needs manually or with a professional.

Social Determinants of Health (SDoH), including socioeconomic status, neighborhood environment, and food access, are strongly associated with obesity prevalence and weight regain, independent of individual clinical factors.

Your environment matters. If you live in an area with limited access to healthy food or safe places to exercise, maintaining weight loss is significantly harder. Recognizing these external barriers can help you seek community resources or advocate for policy changes that support your health goals.

Self-managed lifestyle interventions (diet and exercise) are the primary initial weight loss strategy in China, but they result in low compliance and modest efficacy, leading to a high unmet need for anti-obesity medications (AOMs).

If you are in China and trying to lose weight, know that self-managed diet and exercise are the standard first steps, but they often fail due to low compliance. If lifestyle changes aren't working, it is not your fault; the current options have limitations. Discuss anti-obesity medications (AOMs) with your doctor, as new options are becoming available and are desired by both patients and physicians for better efficacy and safety.

Time-restricted eating (TRE) with a duration of less than 8 hours per day is associated with an increased risk of cardiovascular mortality.

Be cautious with extreme time-restricted eating. While moderate fasting windows (12-16 hours) may improve insulin sensitivity, restricting your eating to less than 8 hours a day has been linked to higher cardiovascular mortality in large population studies. Stick to moderate approaches.

Precision nutrition and individualized interventions may not be sufficient to address obesity at a population level without addressing broader social, economic, and environmental determinants.

When seeking to improve health, look beyond individual diet plans. Advocate for and support policies that make healthy food affordable and accessible, and address social determinants like income and housing, as these are critical for long-term success.

Unsupervised resistance training in men with >3 years of experience fails to produce significant changes in fat-free mass or fat mass over 15 months.

If you have been lifting seriously for over three years and aren't seeing changes in muscle or fat despite training 3-5 times a week, your current self-directed approach has likely plateaued. You likely need professional guidance to systematically adjust training variables and nutrition, as self-regulation alone is insufficient for continued progress in advanced lifters.

Inpatient initiation of obesity-targeted therapies (GLP-1 agonists, referrals) for Class 2 and 3 obesity is currently rare and represents a significant gap in care, despite high recognition rates.

If you have Class 2 or 3 obesity, your hospitalization is a critical window for treatment. Doctors often recognize the diagnosis but fail to prescribe medication or refer you to weight management clinics. You must proactively ask for a referral to a weight management clinic or a prescription for weight management medication (like GLP-1 agonists) before discharge to ensure continuity of care.

Prior use of anti-obesity medications (AOMs) does not alter patient motivations for seeking bariatric surgery, as patients prioritize health and longevity regardless of prior pharmaceutical weight loss attempts.

If you have tried weight loss medications without success, do not assume your reasons for wanting surgery are different from others. Your desire for better health and longevity is the same as those who haven't used drugs. Surgery offers a different mechanical approach to weight loss that is not dependent on your prior response to medications.

MBS is associated with a higher risk of divorce or separation compared to the general population, particularly within the first five years post-surgery.

Be aware that your relationship dynamics may change significantly after surgery. While many relationships improve, there is a statistically higher risk of separation. Proactive communication and counseling can help navigate these changes.

Online marketing of GLP-1 receptor agonists as 'weight loss injections' creates unrealistic expectations and encourages off-label, non-medical use, posing significant public health risks.

Be skeptical of online content that promotes GLP-1 injections as 'weight loss injections' without mentioning medical indications, side effects, or the need for a prescription. These are serious medications for obesity management, not cosmetic shortcuts. Consult a healthcare provider to determine if you are a suitable candidate and to understand the risks and benefits.

Current economic models often undervalue incretin therapies by excluding downstream benefits (e.g., reduced MACE, sleep apnea, osteoarthritis), leading to high ICERs that may exceed willingness-to-pay thresholds without price reductions.

For payers, these drugs are expensive. However, if you account for long-term health savings (fewer heart attacks, surgeries), they can be cost-effective, especially if the price is lowered or targeted at high-risk patients.

Knowledge of sports nutrition among gym-goers is often moderate but flawed, leading to the misidentification of protein as the primary energy source for muscles and the supervaluation of protein intake.

Many gym-goers mistakenly believe protein is their main energy source. In reality, carbohydrates are your primary fuel for workouts. Understanding this distinction helps you fuel your training effectively without over-relying on protein supplements.

Maternal depression during pregnancy is significantly associated with an increased risk of gestational diabetes mellitus (GDM), suggesting that screening for depression may reduce GDM risk.

If you are pregnant, pay attention to your mental health. Depression during pregnancy is linked to a higher risk of gestational diabetes. Talk to your doctor about screening for depression to help protect your health and your baby's.

Public health reformulation of ultra-processed foods (UPF) fails to reduce population-level health harms because industry growth strategies (combatition, swotification, fashion spiral, demand-pumping) drive aggregate UPF consumption upward, negating individual product improvements.

Do not rely on 'reformulated' or 'light' UPFs as a health strategy. The food industry uses reformulation to maintain growth and market share, often increasing total consumption through strategies like smaller, more frequent portions ('portion paradoxes') and novelty marketing. To improve health, the most effective intervention is reducing the overall availability and consumption of the UPF category, not just tweaking its ingredients.

A DPP-inspired lifestyle intervention providing low-cost, minimal-support options (simplified diet plans, YMCA membership, weekly phone calls) fails to produce significant weight loss in indigent, obese adults, whereas behavioral engagement (using the provided YMCA membership) and older age are associated with success.

For low-income individuals, simply giving them gym access or diet sheets is not enough to drive weight loss. Success requires active behavioral engagement, such as actually using the gym membership, and often benefits from older age or more intensive, individualized support to overcome logistical barriers like transportation and childcare.

High financial costs of healthy food and gym memberships act as primary barriers to weight loss, making unhealthy lifestyle habits more accessible and affordable than healthy ones.

If you live in an area where healthy food is expensive, do not blame yourself for choosing cheaper options. Focus on reducing waste, buying in bulk, and utilizing free physical activities like walking or outdoor exercise, while avoiding the high cost of gym memberships.

No single vegetable oil crop is inherently 'good' or 'bad'; the environmental and social impact depends entirely on the production system, trade practices, and local context.

Don't just look for 'palm oil-free' labels. Focus on supporting sustainable certification and production practices. No oil crop is inherently evil; the impact depends on how and where it is grown. Consider the broader environmental trade-offs of different oils.

The presence of markets (grocery stores) in one's local food environment is negatively associated with obesity and abdominal obesity, although this association may not be significant when accounting for city-level clustering.

Having grocery stores nearby is associated with a lower risk of obesity, although this effect might be influenced by broader city-level factors. If you have access to markets, use them to stock up on healthy foods. However, be aware that your overall city environment also plays a role.

Post-liver transplant lifestyle interventions must prioritize psychological coping and emotional resilience before addressing physical diet and exercise prescriptions to ensure adherence and effectiveness.

If you have had a liver transplant, do not force yourself into a strict diet or exercise routine until you feel emotionally stable. Your medical team should address your anxiety and coping mechanisms first. Once you feel mentally ready, start with small, guided physical activities tailored to your specific recovery stage.