Browse the evidence

Higher cardiorespiratory fitness (CRF) is inversely associated with all-cause mortality with no observed upper limit of benefit, meaning extreme fitness levels provide greater survival advantages than moderate fitness.

Focus on improving your cardiorespiratory fitness through aerobic exercise. This study shows that higher fitness levels correlate with significantly lower mortality risk, and there is no 'ceiling' where more fitness becomes harmful. Even if you have conditions like hypertension, achieving high fitness levels offers significant survival advantages.

Individuals with prediabetes exhibit an aberrant gut microbiota profile characterized by a significant depletion of the genus Clostridium and the mucin-degrading bacterium Akkermansia muciniphila, which correlates with markers of poor metabolic health.

If you have prediabetes, your gut bacteria likely look different than those of someone with normal glucose regulation, specifically showing lower levels of beneficial bacteria like Akkermansia and Clostridium. While this is a strong indicator of metabolic stress, simply changing your diet to target these bacteria may not be enough to reverse insulin resistance without addressing broader metabolic factors, as the microbiota change alone does not appear to cause the glucose intolerance in animal models.

The magnitude of depressive symptom reduction from resistance exercise training is larger in individuals with mild to moderate depression compared to those with subclinical symptoms.

If you are experiencing mild to moderate depressive symptoms, resistance exercise training is likely to provide a substantial reduction in those symptoms. While it also helps those with subclinical symptoms, the effect is significantly larger for those with elevated baseline scores.

High predicted fat mass is strongly and monotonically associated with increased all-cause, cardiovascular, and cancer mortality in men, whereas low predicted lean body mass is the primary driver of the 'obesity paradox' (increased mortality at low BMI).

For men, maintaining muscle mass is as critical as managing fat for longevity. High fat mass increases mortality risk linearly, while low muscle mass increases risk significantly. Focus on resistance training to preserve lean mass and dietary quality to manage fat, rather than just chasing a specific BMI number.

Alginate serves as a biocompatible and biodegradable material for drug delivery, including the encapsulation of probiotics and insulin.

Alginate is widely used to deliver medications and probiotics effectively. It protects these substances from degradation and ensures they reach their target in the body. This makes it a valuable component in many health supplements and pharmaceuticals.

Higher body mass index (BMI) is associated with a dose-response increase in the risk of severe COVID-19 outcomes, including hospitalization, ICU admission, invasive mechanical ventilation, and death, with the lowest risk observed at BMIs near the healthy weight/overweight threshold (23.7–25.9 kg/m²).

Maintaining a BMI in the healthy weight range (18.5–24.9 kg/m²) is associated with the lowest risk of severe COVID-19 outcomes, including hospitalization and death. If you have obesity or are overweight, you are at a higher risk for severe illness, and this risk increases with higher BMI categories. Public health recommendations include prioritizing vaccination, masking, and accessing resources to support a healthy weight through nutrition and physical activity.

Improving diet quality over 12 years is associated with a reduced risk of cardiovascular disease mortality, but not necessarily cancer mortality, depending on the dietary index used.

Improving your diet quality can reduce your risk of dying from cardiovascular disease, especially if you follow patterns like the Alternate Healthy Eating Index or Mediterranean Diet. While the link to cancer mortality is less clear across all dietary patterns, focusing on overall diet quality is still beneficial.

Myosteatosis (intramuscular adipose tissue accumulation) is a consistent marker of aging that negatively correlates with muscle strength, mobility, and insulin sensitivity, independent of total muscle mass.

For older adults, maintaining muscle strength and mobility requires attention to muscle quality, not just size. Regular physical activity can prevent the age-associated increase in intramuscular fat (myosteatosis), which is a key driver of mobility disability and insulin resistance, even if muscle mass remains stable.

High levels of myosteatosis are associated with increased mortality and poor survival outcomes in cancer survivors, particularly those with low muscle mass.

For cancer survivors, assessing muscle quality (via imaging like CT scans) is important for predicting survival. High levels of fat infiltration in muscles (myosteatosis) are linked to higher mortality, especially when combined with low muscle mass.

Berberine improves endothelial function and reduces oxidative stress in human subjects.

In healthy humans, berberine supplementation (1.2 g/day) has been shown to improve blood vessel function and reduce oxidative stress. This suggests potential benefits for long-term cardiovascular health, even in the absence of diagnosed disease.

Inulin supplementation promotes a bifidogenic effect (increased Bifidobacterium) and alters gut bacterial composition at the class and order levels, whereas IPE primarily affects bacterial populations at the species level.

If you take inulin, expect it to boost Bifidobacteria and change the broad structure of your gut bacteria. If you take IPE, expect it to shift specific species of Bacteroides without boosting Bifidobacteria as much, likely due to the high propionate levels inhibiting that specific growth. Both interventions alter the microbiome, but in distinct ways.

A 4-week multimodal prehabilitation program (high-intensity exercise, nutritional support, psychological support, and smoking cessation) significantly reduces severe and medical postoperative complications in patients undergoing elective colorectal cancer surgery.

If you are having colorectal cancer surgery, ask your care team about a prehabilitation program. It typically involves 4 weeks of supervised exercise, nutritional support, and stress management before surgery. This can significantly lower your risk of serious complications and help you recover faster.

Consumption of mung bean (Vigna radiata L.) and its bioactive compounds (polyphenols, polysaccharides, peptides) ameliorates metabolic syndrome markers, including hyperglycemia, hyperlipidemia, and hypertension, through mechanisms involving enzyme inhibition (alpha-glucosidase, ACE) and antioxidant activity.

Incorporate mung beans, particularly sprouted or fermented varieties, into your diet to help manage blood sugar and blood pressure. The seed coat contains high levels of flavonoids like vitexin and isovitexin, which contribute to these benefits. While whole bean consumption is beneficial, specific extracts or processed forms (sprouted/fermented) may offer higher concentrations of active compounds.

Gut microbiota composition serves as a predictive biomarker for obesity-related metabolic abnormalities, with specific genera (Bacteroides, Parabacteroides, Blautia, Alistipes, Romboutsia, Roseburia) consistently associated with metabolic health status in obese populations.

Your gut bacteria composition is a strong indicator of your metabolic health risk. If you are obese, specific bacteria levels (like Bacteroides and Roseburia) can predict issues like high blood pressure or lipids. While this paper doesn't prescribe a specific diet, it suggests that interventions targeting these specific microbes (e.g., through prebiotics or probiotics) could help improve metabolic risk. Focus on dietary patterns that support a diverse microbiome, as specific genera are linked to better metabolic outcomes.

Oral administration of Akkermansia muciniphila (2x10^8 bacterial cells/day) reverses high-fat diet-induced obesity and metabolic disorders in mice by improving gut barrier function and lipid metabolism without altering food intake.

If you are struggling with obesity or metabolic issues, increasing your levels of Akkermansia muciniphila through diet (prebiotic fibers, polyphenols) or supplementation may help improve your gut barrier and lipid metabolism. Note that this benefit is most pronounced if you have existing metabolic disorders like those induced by a high-fat diet.

Akkermansia muciniphila abundance is inversely correlated with obesity and metabolic syndrome severity in humans, and its enrichment can serve as an indicator of metabolic health.

Monitoring your gut microbiome for Akkermansia muciniphila levels could be a useful indicator of your metabolic health. Higher levels are generally associated with better metabolic outcomes.

Dietary interventions, including calorie restriction, prebiotic fibers, and polyphenols, increase the abundance of Akkermansia muciniphila in the gut.

To boost your Akkermansia muciniphila levels, focus on a diet rich in prebiotic fibers, incorporate polyphenol-rich foods (like cranberry, pomegranate, tea), and consider calorie restriction if you are overweight.

Rotating shift work, particularly transitions involving evening-to-day shifts or consecutive night shifts, causes significant sleep restriction and circadian misalignment, leading to impaired objective alertness and performance (slower reaction times and more lapses) during night shifts.

If you work rotating shifts, especially nights, expect significant sleep loss and performance impairment. This is worst when transitioning from evening to day shifts or working consecutive nights. Do not rely on how you feel to judge your safety; objective performance remains poor on subsequent nights even if you feel subjectively better. Prioritize sleep duration between shifts, particularly avoiding 'quick returns' from evening to day shifts.

Positive airway pressure (PAP) therapy is more effective than no treatment in improving apnea-hypopnea index (AHI), Epworth Sleepiness Score (ESS), and disease-specific quality of life, and is cost-effective from a societal perspective.

If diagnosed with OSA, CPAP is the most effective treatment. It significantly reduces breathing interruptions, improves sleep quality, and enhances quality of life. While there is an initial adjustment period, the long-term health and economic benefits are substantial.

Elevated levels of host-accessible faecal monosaccharides (fructose, galactose, mannose, xylose) are associated with insulin resistance and metabolic syndrome in humans, mediated by gut microbiota carbohydrate metabolism.

High levels of certain sugars (fructose, galactose, mannose, xylose) found in the gut are linked to insulin resistance. This is driven by specific gut bacteria that break down complex carbs into these simple sugars. Managing gut microbiome composition through diet may help reduce these specific metabolites and improve insulin sensitivity.

Chronic insufficient sleep duration is causally associated with adverse health outcomes including obesity, type 2 diabetes, hypertension, cardiovascular disease, and all-cause mortality.

Prioritize getting enough sleep to avoid the high risks of chronic disease. If you are consistently sleeping less than recommended for your age group, you are increasing your risk for obesity, diabetes, and heart disease. Treat sleep with the same seriousness as your diet and exercise.

Adherence to a composite healthy lifestyle index (HLI) comprising non-smoking, moderate alcohol intake, physical activity, normal BMI, and Mediterranean diet adherence is strongly inversely associated with the risk of developing cancer-cardiometabolic multimorbidity (subsequent occurrence of cancer, cardiovascular disease, or type 2 diabetes).

Adopt a composite healthy lifestyle to significantly lower your risk of developing multiple chronic diseases (cancer, heart disease, diabetes). This involves maintaining a healthy weight (BMI 22-23.9), not smoking, engaging in regular physical activity, limiting alcohol intake (0-12g/day), and following a Mediterranean-style diet. The study shows that even after developing one of these conditions, maintaining these habits reduces the risk of developing a second one by approximately 15-25% compared to unhealthy lifestyles.

Increased intake of EPA and DHA lowers the risk of coronary heart disease and cardiovascular mortality, primarily through the modification of risk factors such as triglycerides, blood pressure, and inflammation, as well as through anti-arrhythmic and anti-thrombotic mechanisms.

To support heart health, aim for higher intakes of EPA and DHA, ideally through fatty fish consumption or supplements. This is associated with lower risks of coronary heart disease and cardiovascular mortality. Key benefits include lowering triglycerides, blood pressure, and inflammation. While recent studies have been mixed, the overall body of evidence supports a protective role, especially for secondary prevention in those with existing heart disease.

When eccentric and concentric resistance training are matched for maximum load or total work, they produce similar increases in whole muscle size (hypertrophy), despite inducing distinct structural adaptations.

If your goal is maximum muscle size, you do not need to prioritize eccentric-only training. As long as you match the total work or the load used in concentric training, eccentric training will build similar muscle mass. However, expect different structural changes: eccentric training tends to increase fascicle length (muscle belly length), while concentric training tends to increase pennation angle (fiber packing density). For general hypertrophy, either mode works if the stimulus is matched.