Un article sur la santé masculine plus particulièrement sur la baisse de testostérone un passage :

CNN reports the news, with mockery: “Modern life rough on men“, 18 August 2011 — Opening…

“Didn’t men use to be more masculine? They were more ready to fight back, right? They walked with more swagger, and just did more things their way. Researchers can’t measure swagger – but they can measure testosterone, the male sex hormone most responsible for masculine behaviors – and studies show that testosterone levels in men have been on the decline for decades.

Two major studies have confirmed the phenomenon, one in U.S. men and another in Danish men. In the U.S. study, the total testosterone levels measured in men’s blood dropped approximately 22% between 1987 and 2004.

Of course testosterone levels drop as men get older, but what makes the study shocking is that men today actually have less testosterone than men used to have at the same age. The challenges to men’s health may not be limited to testosterone levels. The amount of sperm in ejaculated semen may be falling too. …”