Health

Testosterone: Why defining a 'normal' level is difficult

Testosterone is the main sex hormone in men. It's best known for its role in the development of male sexual characteristics and physical features, but there are also many surprising and lesser known functions of testosterone ...

Psychology & Psychiatry

Why can't a man think like a woman, and a woman think like a man?

Men and women may feel like they differ on much more than just the possession or not of a Y chromosome. How we react emotionally to a situation, remember events and navigate our way around the environment has also been shown ...

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