From the archives, a word about testosterone. ‘Tis the season.
More than any other season, the fall seems to have the most birthdays, doesn’t it? A September-born friend of mine jokes about being a “Christmas Party Baby”, but it turns out that there is more to it than a slap, tickle, and one too many cups of holiday cheer.
“Testosterone levels and sperm counts are highest in late fall and early winter… the peak times for human births in the Northern Hemisphere is around August or September – 9 months after the high testosterone levels of the preceeding fall.” (Heroes, Rogues, and Lovers: Testosterone and Behavior).
According to Jed Diamond in The Irritable Male Syndrome, testosterone levels cycle throughout the year: “Studies conducted in the US, France, Australia found that men secrete their highest levels of…
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