13 That explains a lot... (media.conspiracies.win) posted 168 days ago by SmithW1984 168 days ago by SmithW1984 +14 / -1 9 comments download share 9 comments share download save hide report block hide replies
Travison TG et al. (2007). "A population-level decline in serum testosterone levels in American men." Journal of Clinical Endocrinology & Metabolism, 92(1), 196–202. https://doi.org/10.1210/jc.2006-1375
Feldman HA et al. (2002). "Age trends in the level of serum testosterone and other hormones in middle-aged men: longitudinal results from the Massachusetts Male Aging Study." J Clin Endocrinol Metab. 2002 Jul;87(7):589-598. https://academic.oup.com/jcem/article-abstract/87/2/589/2846777?redirectedFrom=fulltext
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