——————————————————————————————————————————-Papers referenced in the video: Serum androgen concentrations in young men: a longitudinal analysis of associations with age, obesity, and race. The CARDIA male hormone study https://pubmed.ncbi.nlm.nih.gov/12376505/
Reference intervals of nine steroid hormones over the life-span analyzed by LC-MS/MS: Effect of age, gender, puberty, and oral contraceptives https://pubmed.ncbi.nlm.nih.gov/31201927/
Metagenomic and metabolomic remodeling in nonagenarians and centenarians and its association with genetic and socioeconomic factors https://pubmed.ncbi.nlm.nih.gov/37118062/