The Latest Breaking News from Testosterone

Letter: Kate Muir takes issue with an article about the use of testosterone by women

Like women, men’s brains change before and after having children

The inclusion of trans women athletes – women who were assigned male at birth – is one of the most controversial issues in world sports.

Herbal extract artemisinin, used in Chinese medicine, appears to stop excess testosterone production

The treatment, known as NES/T, just completed its phase two clinical trial with flying colors.

The long read: Once upon a time, it was only hardcore bodybuilders who pumped themselves up with testosterone. Today it is no longer niche. But how dangerous is it?

The desire for a sculpted physique is driving some amateur gymgoers to experiment with synthetic steroids – specifically, testosterone supplements. This trend is largely being driven by social media, with thousands of posts discussing ways to boost testosterone levels, and high-profile influencers promoting the supposed benefits of using the synthetic…

Double Olympic champion Caster Semenya arrived at the European Court of Human Rights (ECHR) in Strasbourg on Wednesday for a hearing to decide whether she will have to lower her testosterone levels in order to compete in races.

Men who have testosterone levels below the normal range are at a 40 percent higher risk of death from all causes, and those with extremely low T are at a 60% higher risk of death from heart disease.