Browse the evidence

Consuming an additional daily serving of sugar-sweetened beverages (SSBs) is associated with significantly increased risk of coronary heart disease, type II diabetes, and stroke, but has among the lowest environmental impacts.

Limit or eliminate daily consumption of sugar-sweetened beverages. This is linked to higher risks of heart disease, diabetes, and stroke. While SSBs have low environmental impact, their health risks are significant. Replace with water, unsweetened tea, or coffee.

Creatine supplementation has potential therapeutic benefits in various clinical populations, including neurodegenerative diseases, creatine synthesis deficiencies, and brain/spinal cord injury.

For specific medical conditions like creatine synthesis deficiencies, high-dose creatine may be beneficial under medical supervision. For general health, 3g/day may offer long-term benefits.

Excessive intake of carbohydrates (especially mono and disaccharides) combined with positive energy balance disrupts palmitic acid homeostasis, leading to increased tissue PA, dyslipidemia, and inflammation via Toll-like receptor 4.

If you eat too many calories and sugars, your body will convert the excess sugar into fat (palmitic acid) in your liver, even if you don't eat much saturated fat. This leads to inflammation and metabolic issues. To avoid this, focus on energy balance and reducing simple sugars, not just cutting saturated fat.

Visceral adiposity is an independent risk factor for developing NAFLD and significant fibrosis, whereas subcutaneous adiposity may be associated with regression of the disease.

Focus on reducing abdominal/visceral fat rather than just total body weight. Measures like waist circumference are strong predictors of NAFLD risk. Losing subcutaneous fat may actually help regress NAFLD, but visceral fat reduction is key to preventing progression.

Dietary intake of resistant carbohydrates (dietary fibers) increases the abundance of Eubacterium species, which produce short-chain fatty acids (SCFAs) like butyrate that reduce gut inflammation and improve metabolic health.

To support your gut health, prioritize foods rich in resistant carbohydrates, such as whole grains, legumes, and certain fruits. These fibers feed beneficial bacteria like Eubacterium, which produce butyrate to reduce inflammation and support metabolic health. If you are new to high-fiber diets, increase intake gradually to minimize digestive discomfort.

Eubacterium species, particularly E. rectale and E. hallii, play a protective role in Inflammatory Bowel Disease (IBD) by producing butyrate, which reduces inflammation and improves intestinal barrier integrity.

If you have IBD, maintaining a diet rich in resistant carbohydrates can help support Eubacterium species, which produce butyrate to reduce inflammation and support gut barrier integrity. Consult with your healthcare provider for personalized dietary advice.

MBS serves as an effective bridge to other specialty surgeries (joint arthroplasty, hernia repair, organ transplantation) by reducing surgical risks and complications.

If you need joint surgery, hernia repair, or an organ transplant and are obese, getting MBS first can make the other surgery safer, shorter, and less likely to have complications.

Concurrent training (combining endurance and strength) can impair strength adaptations and muscle hypertrophy, potentially due to a significant caloric deficit and negative energy balance rather than just molecular interference (AMPK/mTORC1).

If you combine cardio and weights, watch your calorie intake. The 'interference' effect is often due to not eating enough to support muscle growth, not just molecular conflicts. Ensure you are in energy balance or a slight surplus to maintain strength gains.

Non-alcoholic fatty liver disease (NAFLD) is primarily driven by caloric excess and sedentary lifestyle, with insulin resistance serving as the central pathophysiological mechanism linking metabolic dysfunction to hepatic fat storage and subsequent fibrosis.

NAFLD is fundamentally a disease of energy imbalance. Even without alcohol, consuming more calories than you burn leads to fat storage in the liver, driven by insulin resistance. The most effective way to address this is through lifestyle changes that reduce caloric intake and increase physical activity, thereby improving insulin sensitivity and reducing liver fat.

Histidine-containing dipeptides (Carnosine and Anserine) act as powerful intracellular pH buffers that attenuate pH changes in muscles during anaerobic exercise.

Carnosine and anserine help your muscles handle the acidity of intense exercise. This is why they are often studied for performance benefits.

Skeletal muscle inactivity (sedentary behavior) downregulates genes involved in mitochondrial processes and ATP production, while acute exercise upregulates these pathways, with NR4A3 serving as a key regulator of this metabolic response.

Sedentary time actively suppresses your muscles' ability to produce energy (mitochondrial function). While exercise boosts this, the key takeaway is that prolonged inactivity reverses these benefits. To maintain metabolic health, avoid long periods of sitting, as inactivity actively downregulates the genes responsible for energy production.

Brown adipose tissue (BAT) activity is negatively associated with BMI and body fat percentage; higher BAT activity is linked to lower BMI and body fat, suggesting it plays a protective role against obesity by burning calories.

Increasing brown fat activity through exposure to cold, adequate sleep, and exercise may help counteract the decline in metabolic rate associated with higher body fat. This is a biological lever to support weight management efforts.

Skeletal muscle AMPK activation during exercise is strictly dependent on exercise intensity and duration, with high-intensity/short-duration exercise activating alpha2beta2gamma3 complexes via LKB1, while low-intensity/long-duration exercise activates alpha2beta2gamma1 and alpha1beta2gamma1 complexes via CaMKKbeta.

To target specific metabolic adaptations, you must match your exercise intensity and duration to the desired AMPK complex. High-intensity, short-duration efforts primarily activate the alpha2beta2gamma3 complex via LKB1, while lower-intensity, longer-duration efforts engage alpha2beta2gamma1 and alpha1beta2gamma1 complexes via CaMKKbeta. Simply 'exercising' is not enough; the specific protocol dictates the molecular response.

Post-operative weight regain is a common long-term risk associated with bariatric surgery, driven by reduced energy expenditure and hormonal changes, requiring lifestyle adherence.

Expect that weight maintenance requires ongoing effort. Monitor your weight, adhere to dietary guidelines, and stay active, as biological changes (like reduced energy expenditure) can promote regain if lifestyle habits slip.

Obesity contributes to OSAS pathogenesis by causing upper airway narrowing due to fat deposition in the pharynx and thoracic cavity, reducing vital capacity, and altering ventilation-perfusion ratios.

Losing weight can mechanically open your airway by reducing fat deposition in the neck and pharynx. This is a primary treatment strategy for OSAS, especially if you are overweight.

Maintaining mitochondrial dynamics (balance of fission and fusion) and quality control (mitophagy/biogenesis) is critical for preventing age-related metabolic diseases and neurodegeneration.

Support mitochondrial quality control through regular physical activity, which naturally stimulates mitophagy and biogenesis. Focus on metabolic health (insulin sensitivity) to support the energy demands of these processes.

PPARgamma activation promotes the browning of white adipose tissue (beige adipocytes) and enhances brown adipose tissue (BAT) function, leading to increased energy expenditure and thermogenesis.

Activating brown fat through cold exposure or potentially PPARgamma-activating strategies can boost calorie burning via thermogenesis.

Acute reduction in daily physical activity (step count) for 2-3 weeks causes significant increases in insulin resistance, intra-abdominal fat, and inflammatory markers in healthy adults, even when dietary intake is maintained.

If you are confined to home, you must actively manage your step count and avoid overeating. Your body loses insulin sensitivity and gains abdominal fat within weeks of inactivity, regardless of whether you change your diet. Keep moving to maintain metabolic health.

Overfeeding combined with physical inactivity exacerbates metabolic deterioration, increasing body mass, fat mass, and worsening lipid profiles more than inactivity alone.

During confinement, if you cannot exercise, you must restrict your calorie intake to match your reduced energy expenditure. Overeating during this time will lead to rapid fat gain and worsened metabolic health.

Increased energy intake, driven by the availability of cheap, energy-dense, ultra-processed foods, is the primary driver of the obesity epidemic, outweighing the contribution of reduced physical activity.

Focus on reducing caloric intake, particularly from ultra-processed, energy-dense foods, as this is the primary driver of obesity. While exercise is beneficial for health, its impact on weight management is secondary to dietary changes in the current food environment.

Obesity is a major risk factor for osteoarthritis, particularly affecting the knees, hips, and lower back, due to mechanical stress and inflammation.

Excess body weight puts significant mechanical stress on your joints, particularly your knees, hips, and lower back, accelerating the wear and tear that leads to osteoarthritis. Losing weight is one of the most effective ways to reduce joint pain and improve mobility.

Higher waist-hip ratio (adjusted for BMI) causally influences lower sleep duration and lower sleep efficiency.

Managing waist-hip ratio through lifestyle changes may improve sleep duration and efficiency, independent of overall BMI.

Market-purchased foods contribute significantly to calorie consumption (42% on average) even during harvest seasons, and become the primary source (>50%) during lean seasons.

Do not assume that your harvest covers your annual caloric needs. Plan for market purchases year-round. During the lean season, your reliance on purchased food will exceed 50% of your calories. Ensure you have a steady income source (farm sales or off-farm work) to buy food during these times.

Colonic administration of short-chain fatty acid (SCFA) mixtures (high in acetate, propionate, or butyrate) increases fasting fat oxidation and resting energy expenditure in overweight/obese men.

To boost fat burning and energy expenditure, focus on consuming high-fiber foods that your gut bacteria can ferment into short-chain fatty acids (SCFAs) like acetate and butyrate. While the study used direct colonic infusion, the physiological goal is to support a diet rich in diverse fibers (vegetables, legumes, whole grains) to naturally elevate these metabolites in the colon, which signals your body to oxidize more fat and burn more energy at rest.