testosterone

CAPE TOWN—Caster Semenya, denied an opportunity to win a third successive Olympic 800 meters gold, will on Friday attempt to qualify for the Tokyo Games over 5,000 meters. Semenya will ...

Former British Cycling and Team Sky doctor Richard Freeman was found guilty of ordering testosterone "knowing or believing ...

Do you feel a little different when the temperature drops? Do the layers of clothing and shorter days ...

Low levels of testosterone can come with glaring symptoms such as fatigue, erectile dysfunction, weight gain, and reduced ...

CHICAGO—A landmark study suggests that testosterone treatment is no fountain of youth, finding mostly modest improvement in the ...

A new study could debunk the theory that women living where rates of infectious disease are high prefer ...