An analysis of UK Biobank data indicates that individuals with greater handgrip strength tend to have lower volumes of white ...

Hormones affect human physical functions, behavior and mental well-being, with testosterone, a primary androgen hormone, ...

World Athletics says its genetic test for women ensures ‘the integrity of women’s sport’ – but science does not support this ...

A massive DNA study reveals how genes shape your sense of smell and offers new clues about brain health and Alzheimer's risk.

Lift heavy and regularly, and you’ll grow huge muscles—and chiseled, built men surely have sky-high testosterone levels, ...

Gender-affirming hormone therapy does more than reshape the body; it shifts the heart’s electrical rhythm, too, helping it ...

Aging brings plenty of surprises, and not all of them are bad. Intimate life can remain active, exciting, and deeply ...

GLP-1 weight loss medications like Ozempic and Wegovy could increase testosterone levels and help prevent erectile ...

A potential new male contraceptive drug has just undergone its first tests in human volunteers. The results give the first ...

Clarifying promised rules on female eligibility, track and field’s governing body set a September 1 deadline Wednesday for ...

Clarifying promised rules on female eligibility, track and field’s governing body set a Sept. 1 deadline Wednesday for ...