Testosterone therapy is often essential for the health and well-being of transmasculine people. The choice to stop it to pursue pregnancy can be a difficult one.
An arbitration court ruled that the 28-year-old runner must lower her testosterone levels in order to compete.
AP Photo/Petr David Josek
Sports are segregated by sex. But what happens when athletes don’t fit neatly into sport’s definition of gender?
Testosterone is important for the physical changes that happen during male puberty, and features typical of adult men, such as facial and body hair.
Dave 77459/Flickr
Testosterone is blamed for violence in males, implicated in sport scandals, linked to sexual prowess, desired by gym devotees, and promoted as a tonic for ageing. But how many of us really understand what…
Beginning in middle age, blood levels of testosterone progressively decrease in some men.
"El Gabo" - Davide Gabino/Flickr
A whole industry has grown around testosterone supplementation for ageing men. But neither the benefits nor risks of the practice are clear yet, and they remain the subject of ongoing research. Beginning…