Browse the evidence

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.

Vitamin D supplementation produces a small but statistically significant improvement in global muscle strength, particularly in lower limb muscles, in the general population.

If you are deficient in Vitamin D (levels <30 nmol/L), supplementation can provide a small boost to your muscle strength, especially in your legs. This benefit is most pronounced in older adults (65+) and those who are institutionalized. However, Vitamin D alone will not build muscle mass or power; it is a supportive nutrient, not a primary muscle builder.

Lower socioeconomic status is associated with lower health consciousness (frequency of thinking about healthy behaviors), stronger beliefs in chance/external control over health, and reduced future salience (thinking about the future), which independently predict unhealthy behaviors such as smoking, sedentary lifestyle, and poor diet.

If you find it hard to stick to healthy habits, it might not just be about willpower or money. Try shifting your mindset: focus on what you can control (like your daily choices) rather than luck, and practice visualizing your future self. Small steps to think about the long-term benefits of your actions can help build the motivation needed for lasting change.

High levels of sedentary behavior independently increase the risk of colon, endometrial, and lung cancers, regardless of physical activity levels.

Reduce uninterrupted sitting time. Stand up, walk, or stretch periodically throughout the day. This reduces cancer risk independently of your exercise routine.

High intake of omega-6 polyunsaturated fatty acids (PUFAs) from vegetable oils contributes to inflammation and civilization diseases, whereas omega-3 supplementation may not reduce major cardiovascular events in controlled settings.

Be mindful of your omega-6 to omega-3 ratio. High intake of omega-6s from vegetable oils is pro-inflammatory. While omega-3 supplements are popular, they may not prevent heart disease or cancer as effectively as changing your overall dietary pattern to include more natural sources of healthy fats.

Higher volumes of pericardial fat and visceral abdominal fat (VAT) are associated with a higher prevalence of cardiovascular disease (CVD), whereas intrathoracic fat is not significantly associated with CVD.

Focus on reducing visceral abdominal fat and pericardial fat, not just total body weight. These specific fat deposits are strongly linked to cardiovascular disease, independent of your BMI. Strategies to reduce visceral fat include regular aerobic exercise, strength training, and a diet low in refined sugars and trans fats. Since pericardial fat surrounds the heart, reducing overall adiposity and managing metabolic health are key to lowering this specific risk.

Obese individuals exhibit a specific, differential pattern of dietary underreporting where total energy intake is underreported significantly more than protein intake, leading to an overestimation of the proportion of energy derived from protein.

If you are obese, your self-reported diet likely underestimates your total calorie intake more than your protein intake. This means your calculated 'protein percentage' of total calories is likely artificially high. To get an accurate picture of your macronutrient balance, rely on biomarkers or objective measures rather than just your memory of what you ate, as you likely omit high-carb/fat snacks while remembering protein sources.

Genetic variants associated with longer self-reported sleep duration are also associated with objectively measured longer sleep duration, greater sleep efficiency, and increased daytime inactivity as measured by accelerometers.

Self-reported sleep duration is a reasonably accurate proxy for objective sleep measures, especially when viewed through a genetic lens. If you report sleeping longer, it likely reflects your actual sleep time.

Among obese individuals with normal fasting glucose, higher visceral fat, fructosamine, and insulin levels are independently associated with the composite outcome of incident prediabetes or diabetes.

If you are obese but have normal fasting glucose, you are not necessarily safe from diabetes. Look deeper: check your visceral fat, insulin levels, and fructosamine. These markers can identify risk even when standard glucose tests appear normal.

Comorbid major or minor depression is associated with a significantly increased risk of all-cause mortality in patients with type 2 diabetes, independent of sociodemographic factors and partially independent of behavioral and clinical mediators.

If you have Type 2 Diabetes, treating depression is not just about feeling better emotionally; it is a critical medical intervention to reduce your risk of death. Depression is linked to higher mortality through both behavioral factors (like skipping medications or poor diet) and biological factors (like inflammation and heart stress). Addressing mental health should be treated with the same urgency as managing blood sugar or blood pressure.

Gut microbiota composition and metabolite production (specifically short-chain fatty acids and lipopolysaccharides) trigger chronic low-grade metabolic inflammation (metainflammation), which directly causes insulin resistance and contributes to the development of Type 2 Diabetes.

Focus on dietary patterns that support a diverse gut microbiome, such as high-fiber foods, to potentially reduce systemic inflammation and improve insulin sensitivity. While not a standalone cure, managing gut health is a critical lever in preventing or managing Type 2 Diabetes alongside traditional lifestyle changes.

Phytates in cereals and legumes reduce protein and amino acid digestibility by up to 10% through chelation of mineral cofactors and direct interaction with proteins, which can be mitigated by phytase supplementation.

Phytates in grains and legumes can slightly reduce protein absorption (up to 10%). This effect is manageable through proper processing (soaking, fermenting) or the use of phytase enzymes in animal feed. For humans, the health benefits of whole grains and legumes generally outweigh the minor reduction in protein digestibility.

High intake of trans fatty acids (TFA) increases the risk of coronary heart disease (CHD) by raising LDL cholesterol and lowering HDL cholesterol, a dual adverse effect not shared by saturated fatty acids.

Avoid industrial trans fats found in older processed foods, though modern regulations have largely eliminated them. Focus on replacing saturated fats with unsaturated fats (MUFA/PUFA) to improve your cholesterol profile, as trans fats uniquely harm both 'good' and 'bad' cholesterol levels.

Regular consumption of blueberries or anthocyanins is associated with a reduced risk of cardiovascular disease, type 2 diabetes, and cognitive decline, and supports weight maintenance.

Include blueberries in your diet regularly. Observational data suggests that eating about one-third cup daily is associated with significant health benefits, including lower risks of heart disease and diabetes. You do not need to consume large quantities to see benefits; moderate, consistent intake is key.

Blueberry consumption improves cardiovascular biomarkers, including blood pressure, arterial stiffness, and lipid profiles, particularly in individuals with hypertension or metabolic syndrome.

If you have high blood pressure or metabolic syndrome, adding blueberries to your diet may help lower your blood pressure and improve arterial stiffness. This is not a replacement for medication but a supportive dietary strategy.

Exposure to bright light (7,000–10,000 lux) for 30–60 minutes daily, particularly in the early morning, is an effective, non-invasive intervention for treating Seasonal Affective Disorder (SAD) and non-seasonal depression.

Use a medical-grade light therapy lamp delivering 7,000–10,000 lux. Sit about 20-35 cm away for 30-60 minutes every morning. You do not need to stare directly at the light; just keep your eyes open and you can read or work. If you have eye conditions like retinal detachment or take photosensitizing drugs, consult a doctor first. Consistency is key: daily use yields the best results.

Evening exposure to artificial light, particularly from LED screens and smartphones, delays circadian phase, suppresses melatonin, and reduces sleep quality and duration.

Avoid bright screens (phones, tablets, LEDs) for at least 2-4 hours before bedtime. If you must use them, dim the brightness to the lowest possible level and use 'night mode' to reduce blue light. Be aware that psychological engagement from content may also disrupt sleep, so consider winding down with non-screen activities.

GLP-1 receptor agonists (specifically Liraglutide 3.0 mg/day) induce significant weight loss (median 63% achieving ≥5% loss) and reduce hepatic steatosis, potentially through mechanisms independent of weight loss.

If lifestyle changes are insufficient, GLP-1 receptor agonists like Liraglutide (3.0 mg/day) are highly effective. They help patients lose significant weight (average 8%) and directly reduce liver fat and inflammation. This is particularly relevant for patients with Type 2 Diabetes.

Red meat is a significant source of long-chain omega-3 polyunsaturated fatty acids (EPA, DHA, DPA), particularly when animals are pasture-fed.

Choose pasture-fed red meat to maximize your intake of long-chain omega-3 fatty acids (EPA, DHA, DPA). While fish is the best source, red meat is a significant contributor to your daily omega-3 intake.

Adipose tissue distribution, specifically lower intra-abdominal adipose tissue (IAAT) and lower intrahepatic triglyceride content, distinguishes metabolically healthy obesity from metabolically unhealthy obesity, rather than total body fat percentage.

Focus on reducing visceral and liver fat rather than just total weight. This can be achieved through aerobic exercise and dietary changes that improve insulin sensitivity, even if total body fat percentage remains similar.

Specific fatty acid profiles and the physico-chemical structure of dietary fats (e.g., emulsification) differentially influence postprandial endotoxemia and inflammation, with some unsaturated fats potentially causing higher endotoxemia than saturated fats.

Don't assume vegetable oils are always better for gut inflammation than butter. The physical state of the fat (emulsified vs. solid) and the specific fatty acid profile matter. Emulsified oils may increase LPS absorption more than solid fats. Consider combining high-fat meals with anti-inflammatory foods like orange juice to mitigate these effects.

Prebiotics and probiotics can reduce metabolic endotoxemia and intestinal permeability by modulating gut microbiota composition and improving gut barrier function.

If you eat high-fat meals, consider adding prebiotics or probiotics to your diet. Specific bifidobacteria strains can improve gut barrier function and reduce the amount of inflammatory LPS that enters your bloodstream.

Supplementation with vitamin D3 (cholecalciferol) significantly reduces all-cause mortality in older adults, whereas vitamin D2 (ergocalciferol) shows no benefit and may increase risk at lower doses.

If you are looking to support longevity through supplementation, choose Vitamin D3 (cholecalciferol) over D2. This meta-analysis of older adults found that D3 significantly reduced the risk of death, while D2 did not. Ensure you are taking D3, as the form matters for this specific outcome.

Objectively measured light-intensity physical activity (100-1951 counts/min) is independently and significantly associated with lower 2-hour postchallenge plasma glucose, even after adjusting for moderate-to-vigorous activity and waist circumference.

You do not need to run or lift heavy weights to improve your blood sugar response after meals. Simply replacing time spent sitting (like watching TV) with light movement—such as standing, slow walking, or light chores—can significantly lower your 2-hour blood glucose levels. Aim to break up long periods of sitting with light activity throughout the day.