Blog
UV damage and photoaging: What the sun does to your biology beyond your skin
UV radiation causes far more than cosmetic aging. UVA degrades collagen via MMPs, UVB creates DNA mutations, and systemic inflammation follows. Here is the full science — and how to protect yourself.
Calcium paradox: Too much ages arteries, too little ages bones
The calcium paradox links bone loss and vascular calcification with age. Learn how to think about calcium, vitamin D, vitamin K, and monitoring.
Iodine deficiency: The silent thyroid saboteur after 40
Iodine deficiency is resurging in developed nations, silently sabotaging thyroid function after 40. Learn symptoms, testing, food sources, and safe dosing.
Metformin for longevity: Beyond diabetes to anti-aging science
Can metformin slow aging in healthy people? Explore the TAME trial, AMPK activation, and what science says about metformin as an anti-aging drug for longevity.
Acetylcholine and aging: Why your memory neurotransmitter declines and how to protect it
Acetylcholine supports memory, attention, sleep, and vagal tone. Learn what changes with age, how choline intake matters, and safer ways to track it.
Andropause: Male hormonal decline and what to do about it
Andropause describes age-related male hormone decline. Learn symptoms, testing, lifestyle levers, and when to discuss testosterone deficiency with a clinician.
Dopamine and aging: Why motivation fades and how to restore it
Dopamine receptors and transporters decline with age. Learn how that affects motivation, reward, movement and the habits that support brain aging.
Estrogen, menopause, and longevity: how risk patterns change after 40
Menopause changes cardiovascular, bone, metabolic, and brain risk. Learn what estrogen loss means, where HRT fits, and what to track after 40.
Growth hormone after 40: Decline, myths, and natural optimization
Growth hormone drops 14% per decade after 30. Learn the truth about HGH, somatopause, and 7 evidence-based ways to optimize GH naturally — without injections.