AUTHOR
"Biological age" — as distinct from chronological age — has become one of the most-marketed concepts in the longevity consumer space. The underlying science is real and increasingly substantial: it is now well-established that certain DNA…
29 May 2026
Continuous glucose monitoring devices have been the standard of care in insulin-dependent diabetes for over a decade — Dexcom and Abbott Libre systems track interstitial glucose every 1–15 minutes via a small subcutaneous sensor worn for 10–15 days,…
29 May 2026
Coronary artery calcium scoring is a non-contrast CT scan of the heart that quantifies calcified atherosclerotic plaque in the coronary arteries. The Agatston score, derived from the area and density of calcified deposits, has been the standard…
29 May 2026
Lipoprotein(a), abbreviated Lp(a) and pronounced "L-P-little-a," is an LDL-like lipoprotein particle with a specific protein attachment — apolipoprotein(a) — that makes it independently atherogenic. Roughly 20% of the global population — about 1.4…
29 May 2026
Apolipoprotein B (apoB) is the structural protein on every atherogenic lipoprotein particle — LDL, VLDL, IDL, chylomicron remnants, and lipoprotein(a). Each of these particles carries exactly one apoB molecule, which means circulating apoB…
29 May 2026
Yohimbine is an indole alkaloid from the bark of the Pausinystalia yohimbe tree, used as a traditional aphrodisiac in West African medicine and prescribed for erectile dysfunction in the U.S. and Europe before sildenafil became available in 1998.…
29 May 2026
Hair transplantation moves hair from a donor area at the back and sides of the scalp (which is genetically resistant to DHT-mediated miniaturization) to a recipient area at the front and crown (which is not). The transplanted hairs retain their…
29 May 2026
Maximal oxygen uptake (VO₂max) is the single most predictive fitness metric for all-cause mortality across multiple population studies — more predictive than smoking, hypertension, diabetes, or any other commonly measured risk factor. Each one-MET…
29 May 2026
Trimix is a compounded intracavernosal injection containing three vasoactive drugs: alprostadil (a prostaglandin E1 analog), papaverine (a smooth-muscle relaxant), and phentolamine (an alpha-adrenergic antagonist). Self-administered by…
29 May 2026
Trazodone is an FDA-approved antidepressant from 1981 that has, almost entirely off-label, become the most-prescribed sleep medication in the United States. At antidepressant doses (150–600 mg/day), it is an SSRI-era predecessor with a tolerability…
29 May 2026
Oral finasteride (1 mg/day) and oral dutasteride (0.5 mg/day) are the most-evidenced medical therapies for male androgenetic alopecia. Both work by inhibiting 5-alpha reductase, the enzyme that converts testosterone to the more potent…
29 May 2026
Tirzepatide is a synthetic peptide agonist of both the glucose-dependent insulinotropic polypeptide (GIP) receptor and the glucagon-like peptide-1 (GLP-1) receptor. FDA-approved as Mounjaro for type 2 diabetes (2022) and as Zepbound for chronic…
29 May 2026
Bug report, content request, or general comment — we read everything.