🩺 Health & Longevity
Articles, visual guides and tools covering nutrition, medicines, metabolic health, therapeutic modalities, psychology and the biology of aging.
Featured guides & tools
WBE & the Billion-Heartbeat Rule
Scaling laws linking body size, metabolism, heart rate and lifespan, with an interactive calculator.
The Science of Longevity
Interactive visual guide to aging biology, lifestyle, geroscience drugs and frontier biotechnology.
Medical Directory
Search health professionals by specialty, neighborhood, address or phone.
Health Narrator
Listen to the health articles using browser voices, with speed and playback controls.
Supplements & nutrition
Creatine
Muscle bioenergetics, sarcopenia, brain research, dosing and safety.
Omega-3
EPA and DHA, triglycerides, inflammation, brain and cardiovascular evidence.
Vitamin D
Metabolism, deficiency, aging biology, randomized evidence, D2 vs D3 and safety.
NMN
NAD+ metabolism, animal evidence, early human trials and open questions.
NAC
Glutathione, redox biology, respiratory medicine, GlyNAC and safety.
Taurine
Cellular regulation, cardiovascular metabolism and animal longevity evidence.
Glycine
Metabolic and neurological functions, glutathione, animal longevity and GlyNAC evidence.
Astaxanthin
Nrf2, inflammation, the ITP mouse longevity result, human biomarker trials and limitations.
Melatonin
Circadian rhythms, sleep, mitochondrial biology, preclinical longevity evidence and safety.
Spermidine
Autophagy, polyamine metabolism, dietary sources, epidemiology and early human trials.
Curcumin
Inflammation, Nrf2, autophagy, bioavailability, human trials and aging research.
Quercetin
Senescence, autophagy, vascular biology and dasatinib-plus-quercetin research.
Glucosamine
Cartilage, osteoarthritis, inflammation, metabolism and observational longevity signals.
Hyaluronic Acid
Hydration, skin, joints, eyes, molecular weight, bioavailability and safety.
MCT
Medium-chain triglycerides, ketone production, brain energy and metabolic research.
Olive Oil
Oleic acid, polyphenols, cardiovascular evidence, metabolism and cooking stability.
Allulose
Low-energy rare sugar, postprandial glycemia, metabolic research and tolerance.
TMG
Betaine, methyl donation, homocysteine, liver metabolism and one-carbon biology.
Molecular Hydrogen
Hydrogen-rich water, redox signaling, inflammation, mitochondria and human evidence.
Medicines & geroscience
Metformin
Diabetes, AMPK, nutrient sensing, observational longevity signals and safety.
Acarbose
Postprandial glucose, gut fermentation, diabetes therapy and ITP mouse longevity evidence.
Repeated Low-Dose Doxorubicin
Hormesis hypothesis, autophagy, senescence, immune effects and anthracycline toxicity.
Therapies & devices
Red Light / Photobiomodulation
Mitochondrial signaling, nitric oxide, skin, muscle, brain and aging research.
PEMF
Pulsed electromagnetic fields, bone healing, circulation, mitochondria and tissue repair.
Hyperbaric Oxygen Therapy
Tissue oxygenation, vascular signaling, cognition, telomeres and healthy-aging research.
Deep Brain Stimulation
Parkinson's disease, neural circuits, plasticity, cognition and experimental aging biology.
Mind, hair & lifestyle
Positive Psychology
Well-being, meaning, flow, resilience, strengths and evidence-based interventions.
Hair Health
Androgenetic hair loss, graying, nutrition, medications and common supplement claims.
Telomeres & Gray Hair
Telomere maintenance, lifestyle evidence and the biology of hair pigmentation.
Celebrity Diets
High-profile nutrition routines examined against evidence from aging and metabolic research.
Celebrity Diets II
Meal timing, ketogenic eating, protein, hydration, exercise and causal inference.
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