Browse the evidence

Mitochondrial transplantation, involving the transfer of healthy mitochondria to damaged cells, is a promising preclinical therapy for various diseases but faces challenges in clinical translation due to unstable vitality and transient effects.

Mitochondrial transplantation is an experimental therapy currently limited to research settings and specific clinical trials. It is not a standard treatment. Patients interested in this therapy should consult with their healthcare provider about available clinical trials.

Exposure to microplastics (MPs) and their chemical additives (e.g., phthalates, bisphenols) acts as an obesogen by disrupting lipid and energy metabolism through the activation of nuclear receptors (PPARs, RXR) and altering adipogenesis.

You are likely exposed to microplastics daily through air, dust, and food. While you cannot eliminate all exposure, you can reduce it by avoiding heating food in plastic containers, using glass or stainless steel for hot beverages, and filtering drinking water. The paper suggests these exposures may contribute to metabolic disruption via hormonal pathways.

Early menarche is associated with an increased risk of NAFLD in adulthood, primarily driven by excess adiposity rather than estrogen activation itself.

Women who start their periods early should be vigilant about weight management. Although early estrogen exposure is generally protective, it is often linked to higher body fat later in life, which cancels out that protection and increases the risk of fatty liver disease.

Mandatory quarantine and social isolation induce chronic stress, anxiety, and depression, which physiologically increase sympathetic nervous activity and catecholamines, thereby accelerating atherosclerosis and increasing cardiovascular disease risk.

Understand that the stress of quarantine is not just 'in your head' but has real physical effects on your heart. To mitigate this, actively manage stress through relaxation techniques, maintain social connections virtually, and prioritize sleep to counteract the sympathetic nervous system activation caused by isolation.

Lower education level is inversely associated with weight gain during lockdown, suggesting socioeconomic factors influence food choices.

If you have less formal education, be aware that socioeconomic factors may make it harder to access fresh, healthy food. Focus on affordable, shelf-stable healthy options like canned beans, frozen vegetables, and whole grains to mitigate weight gain.

n-3 fatty acids may control the cytokine storm in severe respiratory infections like COVID-19 through the metabolism to specialized pro-resolving mediators.

For severe respiratory infections, medical professionals may consider n-3 fatty acids to help manage inflammation, though this is based on evidence from other critical care settings.

Sleep deprivation increases the risk of cancer development and progression by suppressing anti-tumor immune responses, specifically reducing Natural Killer (NK) cell activity and CD8+ T-cell numbers.

Maintain 7-8 hours of sleep to support your body's natural anti-tumor defenses. Sleep deprivation reduces the activity of Natural Killer (NK) cells and CD8+ T cells, which are critical for identifying and destroying cancer cells. While sleep alone is not a cure, chronic restriction creates an immunosuppressive environment that may facilitate cancer development.

Hydroxytyrosol exhibits significant anticancer effects against various cancer cell lines (colon, breast, prostate, etc.) by inducing apoptosis and inhibiting proliferation, primarily through ROS generation and modulation of signaling pathways like PI3K/Akt/FOXO3a and NF-κB.

Hydroxytyrosol shows promise in laboratory studies for inhibiting cancer cell growth, particularly in colon and breast cancer models. However, these are preclinical findings. Do not use HTyr as a substitute for conventional cancer therapy. Maintain a diet rich in olive oil for general health benefits.

Hydroxytyrosol improves metabolic health in non-alcoholic fatty liver disease (NAFLD) and obesity by activating transcription factors (PPAR-α, Nrf2), inhibiting lipogenesis, and reducing hepatic inflammation and oxidative stress.

Hydroxytyrosol may support liver health and metabolic function, particularly in the context of a high-fat diet, by reducing inflammation and fat accumulation. While promising in animal studies, human data is still emerging. Focus on a balanced diet rich in olive oil for best results.

Good social engagement is modestly protective against dementia, particularly in long-term studies (≥10 years) and when adjusted for depression.

Maintain regular social interactions and a supportive social network, as this may offer modest protection against dementia, especially over the long term. Focus on activities that provide social support and network strength, as these are more consistently linked to reduced risk than subjective feelings of loneliness.

Androgen excess reduces brown adipose tissue (BAT) thermogenesis by downregulating UCP-1, contributing to the metabolic profile of PCOS.

Low BAT activity may contribute to weight gain in PCOS. While not directly treatable by a specific drug in this text, understanding this link highlights why metabolic rate might be lower than expected.

Aging is associated with distinct shifts in gut microbiome composition and function, specifically an increase in Akkermansia and short-chain fatty acid production in the oldest-old, alongside a reduction in Faecalibacterium and amino acid synthesis pathways.

As you age, your gut microbiome changes in specific ways that may support longevity. Key changes include an increase in Akkermansia (often linked to metabolic health) and butyrate production, and a decrease in Faecalibacterium. While you cannot directly 'take' these bacteria, maintaining a diet rich in fibers that support these specific taxa (like polyphenols for Akkermansia) may align with these healthy aging patterns. Focus on whole foods rather than just 'diversity' supplements.

Interventions targeting the gut microbiome in older adults, such as prebiotic (pectin) or probiotic supplementation, do not significantly alter alpha or beta diversity metrics compared to placebo.

If you are older, taking prebiotics (like pectin) or probiotics may not drastically change your gut's overall diversity or short-chain fatty acid levels compared to not taking them. While not harmful, do not expect these supplements to be a 'magic bullet' for microbiome health. Focus on long-term dietary habits.

Oral butyrate supplementation prevents high-fat-diet-induced obesity and reverses established insulin resistance in murine models by reducing adiposity and improving insulin sensitivity.

While human trials are less extensive than animal studies, increasing butyrate production through resistant starches (like cooled potatoes or legumes) or direct supplementation may help manage body weight and insulin sensitivity, especially when combined with a diet high in fat. Consult a doctor before starting supplementation.

Dietary supplementation with carotenoids (specifically β-cryptoxanthin and astaxanthin) prevents and reverses NASH progression by regulating macrophage/Kupffer cell polarization toward the anti-inflammatory M2 phenotype.

Current research indicates that specific carotenoids, β-cryptoxanthin and astaxanthin, can reverse NASH in mouse models by shifting liver immune cells (Kupffer cells) from a pro-inflammatory state (M1) to a healing state (M2). However, the authors explicitly state there is currently no evidence that these carotenoids exhibit beneficial effects in human patients. Until human trials are conducted, these should be viewed as promising experimental mechanisms rather than established treatments.

Upregulation of SIRT1 activity via STACs or NAD+ boosters (NR, NMN) protects against cardiovascular aging phenotypes including endothelial dysfunction, atherosclerosis, and ischemia-reperfusion injury by modulating transcription factors and antioxidant pathways.

Current research suggests that maintaining NAD+ levels and sirtuin activity may support cardiovascular health and delay age-related decline. While human trials are ongoing, strategies that naturally support NAD+ (like exercise and lean diets) are supported by this mechanism. Be cautious of unproven high-dose supplements, as excessive SIRT1 activation in certain contexts (like high-fat diets) may have adverse effects on lipid metabolism.

SIRT1 plays a complex, context-dependent role in atherosclerosis where tissue-specific overexpression can be protective, but whole-body overexpression in the context of high-fat diets may exacerbate the disease.

Do not assume that boosting SIRT1 (e.g., via high-dose resveratrol or NMN) is always beneficial for heart health, especially if you have existing metabolic issues like high cholesterol or obesity. The paper warns that whole-body SIRT1 activation can worsen lipid profiles in high-fat diet contexts. Consult a physician before using sirtuin activators if you have metabolic syndrome.

NAD+ boosters (specifically NMN and NR) and SIRT1 activators (like resveratrol) improve angiogenesis and endothelial function in aging models by restoring the NAD+-SIRT1 axis.

Aging is associated with reduced blood flow and capillary density. This research suggests that boosting NAD+ (via precursors like NMN or NR) or activating SIRT1 (via exercise or STACs) may help restore blood vessel growth and function. This could potentially improve endurance and mobility in older adults, though human clinical results are still pending.

Beta cell dedifferentiation, where beta cells lose their identity and insulin production capability without dying, contributes to beta cell deficit in T2D.

In T2D, some beta cells may not be dead but 'silenced' (dedifferentiated). Restoring blood glucose levels might allow them to regain function, offering a potential therapeutic target.

Pharmacological interventions targeting aging pathways (e.g., rapamycin, metformin, resveratrol) show potential to decelerate vascular aging but are limited by side effects and are not yet recommended for healthy individuals.

Do not use anti-aging drugs like rapamycin or metformin for healthy aging without medical supervision. Focus on lifestyle changes first, as they are safer and more effective. Pharmacological options are currently reserved for specific medical conditions.

Wearable activity trackers have small or non-significant effects on physiological markers (blood pressure, cholesterol, glycosylated haemoglobin) and psychosocial outcomes (quality of life, pain).

While using a wearable activity tracker will likely increase your physical activity and help with weight loss, do not expect it to significantly lower your blood pressure, cholesterol, or blood sugar on its own. Similarly, improvements in quality of life or pain reduction are not guaranteed. The primary benefit is increased movement.

There is limited or insufficient data to show that preventing type 2 diabetes through lifestyle changes results in a lower risk of cardiovascular and microvascular complications.

While preventing diabetes is a huge health win, current evidence does not yet prove that it automatically reduces your risk of heart disease or other complications. You should still manage other risk factors like blood pressure and cholesterol.

Elafibranor (PPAR alpha/delta agonist) and Obeticholic Acid (FXR ligand) show promise in resolving NASH and improving fibrosis in clinical trials.

Elafibranor and Obeticholic Acid are emerging pharmacological treatments showing improvement in NASH and fibrosis in trials. They are not yet universally approved for NASH but are in Phase 3 testing.

Liraglutide (GLP-1 analogue) barely met the primary endpoint for NASH resolution in a small trial, while Sitagliptin showed no effect on liver histology.

GLP-1 therapies like Liraglutide show marginal benefit for NASH resolution, while others like Sitagliptin show no histological benefit. They are not primary treatments.