Men are historically poor at managing their own healthcare. Not because they don't care about their health, but because most ...

This story also appears in David Epstein’s newsletter, Range Report. Last week, Caster Semenya lost her appeal of a rule by World Athletics (the governing body for international track and field) that ...

In a T-rrible slump? As the primary male sex hormone, testosterone is essential for maintaining libido, erectile function, bone density and muscle mass. Men generally reach peak testosterone in their ...

This article was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. More than 20 years after menopausal hormone therapy fell out of favor, it ...

Fueled by the manosphere, men are boosting their testosterone levels through natural and synthetic means, with some competitively swapping test results on a regular basis. Mark Holman was skinny and ...

Testosterone replacement therapy can increase your sex drive and boost your mood and energy levels. Cooking with less dietary fat may help increase your testosterone levels naturally. Low-quality ...

Certain types of exercises, such as resistance training and high intensity interval training, can increase testosterone levels. Your biological sex also influences how testosterone levels are affected ...

Objective To examine the effect of gender affirming hormones on athletic performance among transwomen and transmen. Methods We reviewed fitness test results and medical records of 29 transmen and 46 ...