Browse the evidence

Higher adherence to a Mediterranean dietary pattern is associated with slower cognitive decline and a reduced risk of developing Alzheimer's disease in older adults.

To support cognitive health and reduce Alzheimer's risk, adopt a Mediterranean-style diet. This means eating plenty of fruits, vegetables, cereals, legumes, and fish, using olive oil as your main fat source, and limiting red meat and saturated fats. While you don't need to track every gram, aiming for high adherence to this pattern is associated with slower cognitive decline in older adults.

The effectiveness of exercise for depression is moderated by participant sex and age, with specific modalities performing better for specific demographics.

To maximize benefits, consider your demographics. Women may find strength training and cycling more effective for depression. Men may find yoga, tai chi, or aerobic exercise combined with therapy more effective. Older adults may benefit more from yoga and aerobic therapy, while younger adults may benefit more from strength training.

High habitual intake of anthocyanins is associated with a significantly reduced risk of myocardial infarction in young and middle-aged women.

To potentially lower your risk of heart attack, aim to include anthocyanin-rich foods in your daily diet. Specifically, try to eat more than 3 servings per week of blueberries or strawberries. This is a simple dietary change that has been associated with a reduced risk of myocardial infarction in women.

Therapeutic targeting of the gut microbiome using probiotics, prebiotics, or specific dietary components can reduce obesity and metabolic disturbances in high-fat diet models.

While specific probiotic supplements show promise in animal studies for reducing fat mass and improving metabolic health, there is no standardized human protocol yet. Focus on a diet rich in diverse fibers and fermented foods to support a healthy gut microbiome, which may help manage weight and metabolic health.

Probiotics and prebiotics can modulate gut microbiota composition and offer therapeutic benefits for intestinal conditions, though the exact mechanisms are not fully understood and effects are strain-specific.

Probiotics and prebiotics can help modulate your gut bacteria, especially for issues like diarrhea. However, they are not magic bullets; benefits are strain-specific and mechanisms are not fully understood. Focus on feeding your existing good bacteria with prebiotics (fiber) first, and consider specific probiotic strains if you have a diagnosed intestinal condition, consulting a professional for strain selection.

Laparoscopic bariatric surgery is superior to medical management for weight loss and metabolic control in patients with BMI ≥ 40 kg/m2 or BMI 35-40 kg/m2 with comorbidities.

If you have a BMI over 40, or over 35 with conditions like diabetes or high blood pressure, surgery is the most effective way to lose weight and fix those health issues compared to diet and medication alone. You need to be healthy enough for surgery.

Sleeve gastrectomy is preferred over adjustable gastric banding for weight loss and metabolic control.

Sleeve gastrectomy is a better choice than gastric banding because banding often fails and requires more surgeries. Sleeve offers better weight loss and metabolic benefits.

Adherence to a pro-inflammatory diet, as measured by the Dietary Inflammatory Index (DII), is significantly associated with increased systemic inflammation, specifically elevated levels of Interleukin-6 (IL-6) and homocysteine.

To lower systemic inflammation, prioritize an anti-inflammatory diet rich in fruits, vegetables, whole grains, and healthy fats, while limiting processed meats, sugars, and saturated fats. This dietary pattern is specifically linked to lower levels of IL-6 and homocysteine, key markers for cardiovascular risk, even if standard CRP tests remain normal.

Western and fast-food dietary patterns are associated with higher levels of oxidative stress and inflammatory biomarkers compared to plant-based or healthy dietary patterns.

Minimize consumption of Western and fast-food diets, which are linked to higher oxidative stress and inflammation. Replacing these with plant-based patterns like Mediterranean or DASH can help reduce these biomarkers.

Metabolic surgery significantly reduces the risk of major adverse cardiovascular events (MACE) and all-cause mortality in patients with type 2 diabetes and obesity compared to usual care.

For patients with type 2 diabetes and obesity, metabolic surgery is associated with a significantly lower risk of major cardiovascular events and death compared to usual care. This includes reductions in heart failure, stroke, and mortality. While surgery carries short-term risks, the long-term cardiovascular benefits are substantial.

Dietary intake of antioxidants (strawberries, spinach, red wine, vitamin C) significantly increases serum total antioxidant capacity (ORAC, TEAC, FRAP) within 4 hours of consumption.

Consuming antioxidant-rich foods like strawberries, spinach, or red wine can boost your blood's antioxidant capacity for a few hours. However, this is an acute effect and does not replace the need for long-term healthy habits.

Resistance training reduces blood pressure in non-hypertensive populations, but evidence for hypertensive patients is currently insufficient due to a lack of dedicated trials.

If you have hypertension, resistance training may help, but the evidence is less robust than for aerobic exercise. Focus on moderate intensity (70% 1RM) and dynamic movements rather than pure static holds. Consult a physician before starting.

Aggressive population-level reduction of systolic blood pressure (SBP) by approximately 3.6–3.8 mm Hg is the most effective intervention to counteract the projected epidemic of cardiovascular disease in China, preventing 2.9 to 5.7 million deaths over 20 years.

For public health policy, prioritizing blood pressure control (targeting a ~3.8 mm Hg mean reduction) is the highest-yield strategy to prevent cardiovascular deaths in China, outperforming even aggressive smoking cessation programs in terms of total mortality reduction across both genders.

Combination therapies (polytherapies) targeting multiple biological mechanisms simultaneously are more likely to produce sustained weight loss and reduce side effects compared to monotherapies.

Combining different weight-loss medications that target different pathways (polytherapy) may be more effective and have fewer side effects than using a single drug. This approach aims to overcome the body's natural counter-regulation to weight loss. Discuss with your doctor if a combination therapy is suitable for you.

Higher relative abundance of the gut microbial genus Blautia is significantly and inversely associated with visceral fat area (VFA) in adults, regardless of sex.

Visceral fat is linked to the abundance of Blautia bacteria in your gut. While you cannot directly 'dose' Blautia like a supplement, this genus produces beneficial short-chain fatty acids (butyrate, acetate). Supporting Blautia likely involves a diet rich in diverse fibers, as fiber intake was a key variable in the study's adjustments. Focus on whole-food, high-fiber diets to support a microbiome profile associated with lower visceral fat.

Recovery interventions should be periodized (withheld or emphasized) to influence acute and chronic training adaptation and performance.

Don't use recovery tools (massage, cold baths) every day. Use them strategically: skip them after some easy sessions to let your body adapt, and use them heavily before key competitions to reduce fatigue.

Daily consumption of diet soda is associated with a significantly increased risk of incident type 2 diabetes (67% greater relative risk) and metabolic syndrome (36% greater relative risk) compared to non-consumption, independent of baseline adiposity measures.

If you drink diet soda daily, be aware that observational data links this habit to a higher risk of developing type 2 diabetes and metabolic syndrome, even after accounting for body weight. While this doesn't prove diet soda causes diabetes, it suggests that relying on it as a 'free' substitute for sugary drinks may not offer the metabolic protection assumed. Consider monitoring your overall dietary patterns and blood glucose levels.

A 3-week intervention combining a low-fat diet (12-15% calories from fat) and moderate aerobic exercise significantly reduces oxidative stress and improves cardiocyte survival in young overweight men.

For young overweight men, a 3-week commitment to a low-fat, high-fiber diet combined with daily moderate walking can significantly lower oxidative stress and improve heart cell health markers. Focus on keeping fat intake low (12-15% of calories) and walking daily at a heart rate that challenges you slightly but sustainably.

Adherence to a Mediterranean diet (MD) positively influences gut microbiota composition and immune system function, thereby reducing the risk of non-communicable diseases (NCDs) associated with chronic inflammation, whereas a Western diet (WD) promotes dysbiosis and immune impairment.

Prioritize a Mediterranean-style eating pattern over a Western one to support gut health and reduce chronic inflammation. Focus on increasing fiber-rich foods, healthy fats, and diverse plant sources while reducing processed foods typical of a Western diet. This dietary shift is a primary lever for improving the gut microbiota-immune system interplay and preventing non-communicable diseases.

Specific next-generation probiotics and synbiotics (e.g., VSL#3, E. coli Nissle 1917, specific Bifidobacterium strains) show promising or beneficial effects in treating Ulcerative Colitis (UC) and Necrotizing Enterocolitis (NEC), unlike general probiotics.

For UC or NEC, generic probiotics may not work. However, specific strains like VSL#3 or E. coli Nissle 1917 have shown benefit. Consult a doctor for strain-specific therapy rather than buying random supplements.

Obesity (BMI ≥40) is a significant independent risk factor for increased prevalence, severity, and lethality of COVID-19, primarily driven by metabolic dysregulation, chronic inflammation, and immune system attenuation.

If you have obesity, especially with a BMI over 40 or associated conditions like diabetes or high blood pressure, your risk of severe COVID-19 is significantly higher than that of a healthy-weight individual. This is not just about weight, but about how obesity affects your immune response and lung function. Prioritize prevention (vaccination, masking, distancing) aggressively, as your body may struggle more with the inflammation caused by the virus.

Adherence to a Mediterranean Diet increases gut microbiota diversity and shifts composition toward beneficial taxa (e.g., Prevotella, Bifidobacteria) and metabolites (SCFAs), while reducing pro-inflammatory markers and pathogenic bacteria associated with Western diets.

To improve your gut health, adopt a Mediterranean-style eating pattern. This means prioritizing fruits, vegetables, legumes, whole grains, and extra virgin olive oil as your main fat source. Include fish and limit red meat. This dietary pattern is associated with a more diverse and beneficial gut microbiome, which produces protective metabolites like short-chain fatty acids and reduces inflammation compared to a standard Western diet.

Specific components of the Mediterranean Diet, particularly dietary fiber and polyphenols from Extra Virgin Olive Oil, drive the beneficial modulation of gut microbiota by promoting the growth of SCFA-producing bacteria and reducing pro-inflammatory markers.

Incorporate Extra Virgin Olive Oil and high-fiber plant foods into your daily meals. The fiber feeds beneficial gut bacteria to produce protective short-chain fatty acids, while the polyphenols in olive oil help reduce inflammation. This combination is key to the health benefits of the Mediterranean Diet.

Increased intake of EPA and DHA improves quality of life, appetite, and physical functioning in cancer patients, particularly those with non-small cell lung cancer and head/neck squamous cell cancer, and may enhance chemotherapy efficacy.

For cancer patients, particularly those with lung or head/neck cancer, high-dose EPA and DHA supplementation (1.8-3g daily) may improve appetite, body weight, and quality of life. Some evidence suggests it may also enhance the effectiveness of chemotherapy. Consult with an oncologist before starting high-dose supplements.