Browse the evidence

Dietary nitrate may reduce arterial stiffness and intimal hyperplasia, and protect against ischaemia-reperfusion injury, primarily through nitric oxide generation and inhibition of oxidative stress.

While most evidence for reduced arterial stiffness and protection against tissue damage is from animal studies, the mechanism suggests that a diet rich in nitrate-containing vegetables may support vascular health and reduce aging-related arterial stiffening.

Physical activity reduces colon cancer risk through multiple biological mechanisms including reduced insulin levels, faster gut transit time, and altered prostaglandin levels.

Exercise helps prevent colon cancer by lowering insulin levels, speeding up digestion, and changing hormone levels in the gut. These biological changes create an environment less favorable for cancer development.

Soy Protein Isolate (SPI) and purified soy isoflavones (genistein, daidzein) exhibit weak estrogenic activity that may pose risks for reproductive health, early development, and estrogen-sensitive cancers, despite conflicting evidence from some human studies.

If you are taking soy protein isolate or purified soy isoflavone supplements (not just eating tofu/edamame), be aware they have weak estrogenic effects. Women with a history of endometriosis or estrogen-sensitive cancers should consult a doctor before using these supplements, as they may increase risk. Infants should generally be fed cow milk formula unless soy is medically indicated.

ATF3 acts as a master regulator of metabolic homeostasis and oncogenesis, functioning as a context-dependent hub that can either suppress or promote disease states depending on tissue type and cellular stress.

This paper identifies ATF3 as a critical biological switch in metabolism and cancer. While not a direct intervention for humans yet, it suggests that therapies targeting ATF3 induction (like ST32da) or inhibition could treat metabolic disorders and cancers. Current research focuses on how stress signals trigger ATF3 to regulate glucose and fat storage.

ATF3 induction by synthetic agents like ST32da promotes adipocyte browning and inhibits lipogenesis, potentially offering a mechanism to combat obesity.

Research indicates that inducing ATF3 expression can help convert white fat to beige/brown fat, which burns energy. A synthetic inducer called ST32da was shown to do this in mice by blocking specific fat-making pathways. This is not yet a available treatment for humans.

ATF3 plays a dual role in prostate cancer, acting as a tumor suppressor by inhibiting androgen signaling and AKT, but also as an oncogene by promoting cell proliferation and metastasis via SUMOylation.

ATF3's role in prostate cancer is complex. It can suppress tumors by blocking androgen signals but can also promote cancer if modified by SUMOylation. This complexity makes it a challenging but potentially valuable target for therapy.

Plant-based proteins (excluding soy) have not been adequately studied for their effect on muscle protein synthesis and appetite in aging adults, though soy appears to have similar appetite-suppressing effects to animal proteins.

While soy protein appears to manage appetite similarly to animal protein, there is insufficient evidence for other plant proteins (like peas or oats) in older adults. Prioritize soy or combine plant sources to ensure adequate amino acids, and monitor appetite to prevent unintended weight loss.

Caloric restriction and certain phytochemicals (e.g., resveratrol, curcumin, EGCG) can upregulate FOXO3 activity, leading to improved stress resistance, autophagy, and potentially extended lifespan.

You can support your body's natural longevity genes (like FOXO3) by managing your energy intake and consuming specific plant compounds. Try incorporating moderate caloric restriction or eating foods rich in polyphenols, such as green tea (EGCG), turmeric (curcumin), and resveratrol. These natural compounds help activate cellular repair mechanisms, reduce inflammation, and may protect against age-related diseases.

Rapamycin inhibits the Stat3 pathway, which may explain its ability to suppress SASP independently of Nrf2.

Rapamycin may reduce inflammation in aging cells by turning off the Stat3 signal, even if the cell's main antioxidant system (Nrf2) is broken.

Quercetin acts as a SIRT1 activator to mitigate aging-related diseases, including neurodegenerative disorders, by regulating oxidative stress, inflammation, and mitochondrial function.

Quercetin is a natural flavonoid found in foods like onions and grapes that may help protect against age-related brain and body decline by activating the SIRT1 protein. This activation helps reduce inflammation and oxidative stress. While animal studies show promise for conditions like Alzheimer's and Parkinson's, human clinical data is not provided here, so it should be viewed as a potential supportive supplement rather than a cure.

There is currently insufficient evidence from interventional studies to establish a causal link between plant-based diets and improved cognitive function or mental health.

Do not expect plant-based diets to directly improve cognitive function or mental health based on current evidence. While metabolic health improves significantly, the link to brain health remains speculative and requires more research.

Type 2 diabetes is associated with an increased risk of specific cancers, including endometrial, colorectal, breast, pancreatic, liver, and kidney cancers, while being associated with a decreased risk of prostate cancer.

If you have Type 2 diabetes, be aware that your risk for certain cancers (like breast, colorectal, and pancreatic) is higher, while your risk for prostate cancer may be lower. Regular screening appropriate for your age and gender is crucial.

Metformin use in patients with diabetes is associated with a reduced risk of cancer and cancer-specific mortality, although methodological biases in early studies may have inflated these estimates.

If you take Metformin for diabetes, you may benefit from a potential reduction in cancer risk, although this is not yet definitively proven. Continue taking it as prescribed for your diabetes management.

Gut microbiota composition influences body weight and metabolic health by increasing energy harvest from diet and modulating host fat storage pathways, with obese individuals harboring microbiota that extract more energy from the same diet than lean individuals.

Your gut bacteria act like an external organ that determines how many calories you absorb from food. While you cannot directly see them, their composition affects your weight. Strategies that alter gut flora (like high-fiber diets or specific prebiotics) may help manage weight by changing how efficiently your body extracts energy from food, rather than just reducing intake.

Multinutrient supplementation combined with exercise does not consistently improve muscle strength, size, or physical performance in older adults compared to exercise alone.

Do not rely on multinutrient supplements to improve your muscle strength or size. The evidence is inconsistent, and they do not reliably add benefit to exercise. Focus on resistance training and a balanced diet rather than expensive fortified drinks or complex supplements.

Long-term Estrogen Replacement Therapy (ERT) in postmenopausal women is associated with larger contractile cross-sectional area compared to non-ERT women, though it does not significantly affect intramuscular fat content.

For postmenopausal women, long-term ERT may help preserve muscle mass (contractile area), though it does not appear to reduce intramuscular fat. This is a preliminary finding with a small sample size, so decisions about ERT should be made with a doctor based on individual health risks and benefits.

Intranasal insulin administration improves memory and cognitive function in early Alzheimer's Disease (AD) and Mild Cognitive Impairment (MCI) patients, particularly those who are ApoE-ε4 negative.

If you have early memory issues, ask your doctor about intranasal insulin trials. It may help memory, especially if you don't carry the ApoE-ε4 gene. It is safer than systemic insulin injections because it targets the brain directly without causing dangerous blood sugar drops.

GLP-1 analogues (e.g., liraglutide, exenatide) show promise in animal models for reducing amyloid plaques, tau phosphorylation, and improving cognition, but human clinical trials have shown mixed or disappointing results so far.

GLP-1 drugs (like Ozempic/Wegovy) are being studied for Alzheimer's. While they work well in mice, human trials have not yet confirmed they improve memory or reduce brain plaques. Do not expect them to cure AD yet, but maintaining metabolic health with these drugs may still offer some neuroprotective benefits.

Selenium deficiency is a contributing factor in the development of Keshan disease, an endemic cardiomyopathy, likely through mechanisms involving the antioxidant function of selenoproteins.

In regions with very low soil selenium, ensuring adequate selenium intake is critical to prevent Keshan disease, a form of heart disease. For most people in non-endemic areas, meeting the standard AI (70 µg/day) prevents this risk.

Higher doses (10-15 mg) of the dual GIP/GLP-1 receptor agonist tirzepatide significantly improve specific nonalcoholic steatohepatitis (NASH) biomarkers, including reducing hepatocyte apoptosis (K-18) and fibrosis (Pro-C3), and increasing anti-fibrogenic adiponectin, in patients with type 2 diabetes.

If you have Type 2 Diabetes, higher doses of tirzepatide (10-15 mg weekly) have been shown to improve blood markers associated with liver inflammation and scarring (NASH) compared to placebo. However, this is based on blood tests, not liver biopsies, so it indicates reduced liver stress rather than a confirmed cure for liver disease. Consult your doctor to see if this medication is appropriate for your metabolic health.

Chronic exposure to high levels of arsenic in drinking water (typically >100 ppb) is associated with a significantly increased risk of developing type 2 diabetes, with a pooled relative risk of 2.52 in high-exposure populations.

If you live in an area with known high arsenic levels in your drinking water (often >100 ppb), your risk of developing type 2 diabetes is significantly higher (more than double) compared to those with low exposure. This risk is specifically linked to chronic exposure via drinking water in endemic areas like parts of Taiwan and Bangladesh. Ensure your water source is tested and consider filtration or alternative sources if arsenic levels are high.

High intake of saturated fats and omega-6 fatty acids triggers Toll-like receptor 4 (TLR4) signaling, leading to chronic inflammation, gut barrier breakdown, and immune dysregulation.

Focus on the quality of fats in your diet rather than avoiding fat entirely. High intake of saturated fats (common in Western diets) can trigger immune receptors (TLR4) that lead to inflammation and gut issues. Try to balance your intake by including omega-3 fatty acids, which have anti-inflammatory properties, and be mindful that the source of your fat matters for immune health.

Dietary choices alter the gut microbiome, which in turn affects the development and function of regulatory T-cells (Tregs), influencing the risk of autoimmune and allergic diseases.

Your gut bacteria play a key role in training your immune system. Eating a diet high in fiber and low in processed sugars and saturated fats helps maintain a healthy microbiome, which supports regulatory T-cells that prevent autoimmune and allergic diseases. Probiotics alone are unlikely to fix immune issues if your diet remains unhealthy.

Higher exposure to sociocultural media promoting thinness correlates with higher incidence of eating disorders, with a dose-response relationship observed between media reinforcement frequency and disorder prevalence.

Be critical of media consumption. The high frequency of diet and shape-promoting content in magazines read by young women mirrors the higher prevalence of eating disorders in women, suggesting that media exposure is a significant environmental risk factor. Reducing exposure to these specific media types may mitigate risk.