Browse the evidence

Insomnia and sleep deprivation impair neuroplasticity and functional stroke recovery, while promoting NREM and REM sleep has a favorable effect on recovery.

Prioritize sleep after a stroke. It is not just rest; it is when your brain repairs itself and learns new skills. If you have insomnia, seek treatment, as it can hinder your recovery.

Exercise and caloric restriction promote longevity and healthy aging by downregulating mTORC1 activity and upregulating autophagy, thereby maintaining proteome quality.

To support longevity, incorporate regular physical activity and consider moderate caloric restriction (20-40% reduction) while ensuring adequate nutrition. These interventions work by inhibiting mTORC1 and boosting autophagy, which clears damaged cellular components. This is not about starvation or extreme exercise, but consistent, moderate lifestyle habits.

Six months of GLP-1 receptor agonist therapy (exenatide or liraglutide) significantly reduces intrahepatic lipid (liver fat) in obese patients with type 2 diabetes, with the magnitude of reduction correlating strongly with improved glycemic control (HbA1c) rather than total body weight loss.

If you have type 2 diabetes and fatty liver, GLP-1 medications like exenatide or liraglutide can significantly reduce liver fat (by ~42% over 6 months). This benefit is closely tied to better blood sugar control rather than just weight loss. You should discuss these options with your doctor, especially if you are already taking metformin, as they can be added to your current regimen.

Resveratrol supplementation mimics the effects of caloric restriction by activating SIRT1, leading to metabolic and vascular benefits in obese humans.

Consider resveratrol supplementation (e.g., one month) if you are obese, as it may activate SIRT1 and improve metabolic health similar to caloric restriction. Discuss with a healthcare provider to determine appropriate dosing and safety.

College females across all weight statuses (normal, overweight, obese) predominantly use maladaptive or ineffective dieting practices (e.g., skipping breakfast, smoking, laxatives) rather than meeting physical activity guidelines for weight loss.

If you are a college-aged female trying to manage your weight, be aware that 'dieting' often involves unhealthy shortcuts like skipping breakfast or smoking, which are prevalent but harmful. Simply 'exercising' is not enough unless it is vigorous and frequent (over 3 hours/week of heavy activity). Focus on sustainable, moderate-to-vigorous physical activity and balanced nutrition rather than extreme restrictions or harmful behaviors.

Ingestion of red pepper (capsaicin) significantly decreases subsequent appetite, protein, and fat intake in Japanese females, and reduces cumulative energy and carbohydrate intake in Caucasian males.

Adding a moderate amount of red pepper (approx. 6-10g) to your meal, particularly as an appetizer or mixed into a high-carb/high-fat breakfast, can help you naturally eat less protein, fat, and total calories at your next meal. This effect appears linked to increased sympathetic nervous system activity. It is safe and well-tolerated in the short term, offering a simple dietary lever to reduce subsequent intake without feeling deprived.

The appetite-suppressing effect of red pepper in males is associated with an increase in sympathetic nervous system (SNS) activity, indicated by a higher sympathetic-to-parasympathetic heart rate ratio.

For men, spicy food may trigger a physiological stress response (SNS activation) that curbs hunger. While the link to actual calorie reduction wasn't statistically significant in this small group, the physiological shift is real.

Activation of PPARβ/δ by agonists like GW501516 improves fatty acid oxidation and glucose utilization in skeletal muscle, shifting muscle fiber type from fast-twitch glycolytic to slow-twitch oxidative, thereby enhancing exercise capacity and metabolic flexibility.

PPARβ/δ activation helps muscles burn fat and sugar more efficiently and shifts them to be more endurance-oriented. While drugs like GW501516 show this effect in studies, they are not approved for human use. Exercise naturally activates this pathway.

Astragalus improves intestinal barrier function and immunity by modulating intestinal microbiota, thereby treating Type 2 Diabetes Mellitus (T2DM).

For individuals with T2DM, incorporating Astragalus (specifically its polysaccharides, saponins, and flavonoids) may support gut health and insulin sensitivity. The herb works by improving the intestinal barrier and modulating gut bacteria to reduce inflammation and improve glucose metabolism. Consult a healthcare provider before use, especially if taking other diabetes medications.

Astragalus polysaccharides (APS) improve T2DM outcomes by increasing the abundance of beneficial bacteria (e.g., Bifidobacterium, Lactobacillus) and short-chain fatty acids (SCFAs), while reducing insulin resistance.

Astragalus Polysaccharides (APS) may help manage blood sugar by promoting the growth of good gut bacteria. These bacteria produce short-chain fatty acids that improve insulin sensitivity. This suggests that gut health is a key part of managing T2DM, and Astragalus may support this process.

Optimizing essential and semi-essential nutrient intakes in older adults reduces the risk and progression of noncommunicable diseases (NCDs) such as cardiovascular disease, dementia, and musculoskeletal disorders.

As you age, your body's ability to utilize nutrients may change. Ensure your diet is dense in essential vitamins and minerals, not just low in calories. If you have known deficiencies or increased metabolic needs, consult a professional to optimize your intake, as this can help mitigate risks for heart disease, cognitive decline, and muscle loss.

Exercise training can improve age-related endothelial dysfunction by reducing oxidative stress and improving the function of potassium channels (KCa) involved in endothelium-derived hyperpolarization (EDHF).

Regular exercise is beneficial for older adults as it can improve endothelial function by reducing oxidative stress and enhancing blood vessel relaxation mechanisms. Even if starting late, exercise can help recover some vascular health.

Seven months of moderate-intensity aerobic exercise increases circulating adiponectin levels in obese young women.

If you are a young obese woman, engaging in moderate aerobic exercise (like brisk walking or jogging) for 30-60 minutes, 4-5 times a week, for at least 7 months can significantly improve your metabolic health markers, specifically by increasing adiponectin, which helps with insulin sensitivity. Consistency and maintaining a moderate intensity (where you can talk but not sing) are key.

Moderate-intensity aerobic exercise decreases circulating leptin and TNF-alpha levels in obese young women.

Regular moderate exercise helps lower levels of leptin (which regulates hunger) and TNF-alpha (an inflammatory marker) in obese young women, contributing to better metabolic health and reduced inflammation.

Chronic exercise training improves the sensitivity of the appetite control system, specifically by enhancing the satiety response to high-energy meals, independent of changes in body fat.

Over time, regular exercise training helps your body regulate hunger better. You may feel hungrier when fasting, but your body becomes more sensitive to the signals that tell you you're full, especially after larger meals. This adaptive response can support long-term weight management.

Higher habitual fruit intake is inversely associated with weight change (decrease) and waist circumference, whereas vegetable intake alone shows no significant association with weight change.

To support weight management, prioritize increasing your daily fruit intake. For every 100 grams of fruit you add to your diet, you can expect a small reduction in annual weight gain (approx. 14g). While vegetables alone did not show a significant weight effect in this analysis, high fruit intake is linked to reduced waist circumference and a lower risk of developing obesity.

High intake of fruit, vegetables, or combined fruit and vegetables is associated with a reduced risk of developing adiposity (overweight/obesity).

Maintaining a diet high in fruits and vegetables is associated with a 9-17% lower risk of becoming overweight or obese compared to low intake. Focus on reaching the highest intake categories recommended by dietary guidelines (e.g., 400-650g/day) to maximize this protective effect.

Multi-level workplace health promotion interventions combining physical activity and/or nutrition with organizational and environmental changes significantly reduce absenteeism.

To reduce absenteeism, employers should implement multi-level health programs that combine individual counseling with organizational and environmental changes, such as providing healthy food options and flexible work policies. These interventions are most effective when sustained over longer periods (e.g., >12 months).

Multi-level workplace interventions involving physical activity and/or nutrition can significantly improve workability and work performance.

Employers can improve employee workability and performance by implementing multi-level health programs that include physical activity and nutrition components, along with organizational and environmental support.

Vitamin D3 supplementation at 100 mcg (4000 IU)/day significantly improves subjective wellbeing compared to the Adequate Intake (AI) of 15 mcg (600 IU)/day in patients with baseline insufficiency.

If you have low vitamin D levels, taking 4000 IU daily during winter may improve your mood and energy more than the standard 600 IU. This is particularly relevant if you feel low energy or mood dips in winter.

Living in an area with a high ratio of fast-food and convenience stores to grocery stores (high RFEI) within 800 meters of one's home is associated with significantly higher odds of obesity in adults.

If you live in an area with many fast-food and convenience stores but few grocery stores, your risk of obesity is higher. To counter this, prioritize grocery shopping at stores further away if necessary, or focus on finding healthier options within your immediate vicinity. Policy changes like zoning laws can help improve local food environments.

Regular consumption of cruciferous vegetables (specifically broccoli) reduces the risk of prostate cancer progression.

Eat at least one portion of broccoli every week. This specific vegetable has been linked to reducing the progression of prostate cancer, likely due to its unique phytonutrients like glucoraphanin.

Regular consumption of Allium vegetables (onions and garlic) is associated with a reduced incidence of various cancers, including stomach, colon, and prostate cancer.

Include onions and garlic in your diet regularly. Eating one to seven portions of onions per week is linked to lower risks of several cancers, including stomach and colon cancer.

Tomato consumption, specifically due to lycopene, is associated with a reduced risk of prostate, colorectal, and gastric cancers, as well as cardiovascular disease.

Eat tomatoes regularly, whether fresh or processed (like sauce or paste). Processed forms often have higher lycopene, which is linked to lower risks of prostate and other cancers.