The Latest Breaking News from Testosterone

South African runner Caster Semenya wins partial victory in appeal against ruling by the Court of Arbitration for Sport.

A top European court will decide Thursday whether double Olympic champion Caster Semenya can be required to lower her testosterone levels to compete as a woman, in a key decision on contested gender testing.

Transformers star Josh Duhamel has started testosterone replacement therapy so he can "stay young" for his wife.

IN FOCUS : In a world of the manosphere and ‘Your Body, My Choice’, can masculinity be positive, or is all always toxic? Holly Baxter speaks to the experts, including trans men who were raised as girls, about the complicated process of bringing up boys

Testosterone is more than just a buzzword in men’s health—it’s a vital hormone that influences energy, mood, muscle mass, and even motivation. Many people assume that boosting testosterone requires expensive supplements or risky shortcuts, but that’s far from the truth. In reality, your daily habits and lifestyle choices play a…

Testosterone is more than just a “male hormone”—it’s a key player in your energy, mood, muscle growth, and even your motivation. Yet, many men unknowingly sabotage their testosterone levels with daily habits that seem harmless. Low testosterone can sneak up on you, leading to fatigue, stubborn weight gain, and a…

IN FOCUS: A sense of threat, a sense of humility and a sense of wonder. Ben Bryant, on how having a daughter has rewired his brain

Justice secretary Shabana Mahmood is looking into a potential “national rollout” of chemical castration for sex offenders. This is a process of lowering testosterone levels with the intention of reducing libido.

Menopause is something nearly every woman will go through. As fertility ends, levels of oestrogen and progesterone drop significantly – changes that can deeply affect physical health, emotional wellbeing and everyday life.