Testosterone is an important male hormone that helps build muscles, increases energy, and supports s**ual function. Sometimes, doctors also prescribe testosterone supplements to men who have a ...

Testosterone is often reduced to one thing, sexual health. But that’s only a part of the picture. This hormone plays a role ...

まずはテストステロンの役割を簡単におさらいしましょう。 テストステロンは男性ホルモンの一種で、身体に男性的な特徴を強く反映させる役割をもっています。 機能は実に多彩で、筋肉の発達や骨格の形成、性機能の保持、男性的な性格など、多くの機能が ...

本題に移る前に、まだ根本的な疑問が残っています。ズバリ、テストステロンが多い男性は本当にモテるのでしょうか ...

As men age past 50, maintaining healthy testosterone levels, lean muscle, and the kind of sustained mental sharpness that drives real quality of life becomes increasingly difficult. Testosterone ...

This article was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. More than 20 years after menopausal hormone therapy fell out of favor, it ...

More than 20 years after menopausal hormone therapy fell out of favor, it is having a renaissance. There is better clarity on ...

Testosterone supplements can come with serious long-term dangers.

Testosterone is the main driver of energy, libido, and physical strength in men, and it is also important for women's health.

Testosterone is often treated as a marker of health and vigor, especially in men. But new genetic evidence suggests it’s not all good: higher lifelong levels of the hormone may also increase the risk ...