Aging & Longevity
Aging biology, lifespan heritability, and longevity debates.
Evidence-based content on metabolic health, chronic disease, and everyday health decisions — no fluff, no sensationalism.
Browse All GuidesCurated topic hubs — rotates weekly
Aging biology, lifespan heritability, and longevity debates.
Outbreaks, vaccines, and practical infectious disease guidance.
Stroke, TIA, emergency neurology, and brain health.
Anxiety, depression, ADHD, sleep, and evidence-based care.
From GLP-1 weight-loss drugs to experimental recovery compounds, these peptides are driving the biggest conversations in longevity and metabolic medicine.
Demand for peptide therapies is surging, but U.S. regulators are tightening oversight of compounded GLP-1 drugs, research peptides, and clinic marketing claims.
A large scientific review suggests collagen supplements may modestly improve skin hydration and elasticity—but the benefits are often overstated.
Why AI guardrails are structural safety systems — not ideological constraints — and why national security pressure is a governance stress test for frontier AI.
A practical timing strategy for healthy adults deciding when to get the shingles vaccine.
Recently updated health guides
A medical overview of BPC-157, a peptide often discussed for injury recovery and tissue repair, including research evidence and safety considerations.
A medical overview of GLP-1 receptor agonist medications used for weight loss and metabolic health, including semaglutide and tirzepatide.
An overview of peptide therapy, how peptide drugs work in the body, and the safety and regulatory issues surrounding these treatments.
A guide to sermorelin, a peptide that stimulates growth hormone release, including clinical uses and safety considerations.
An overview of tesamorelin, a peptide drug used to reduce visceral fat in certain medical conditions.
A science-based guide to collagen supplements, including evidence for skin hydration, elasticity, wrinkles, dosing, and safety.
A medical guide to retinoids, including tretinoin, retinol, and adapalene. Learn how retinoids improve skin aging, stimulate collagen, and what side effects to expect.
A medical overview of skin aging, including why it happens, how lifestyle affects it, and the treatments with the strongest scientific evidence.