In humans, testosterone plays a key role in the development of male reproductive tissues such as testicles and prostate, as well as promoting secondary sexual characteristics such as …

Sep 1, 2022 · What is testosterone? Testosterone is a hormone that your gonads (sex organs) mainly produce. More specifically, both testicles and ovaries produce testosterone.

Mar 17, 2023 · Testosterone is most commonly associated with sex drive in men. It also affects mental health, bone and muscle mass, fat storage, and red blood cell production.

Dec 19, 2025 · Testosterone, hormone produced by the male testis that is responsible for development of the male sex organs and masculine characteristics, including facial hair and …

Jan 19, 2024 · Testosterone therapy — Explore the potential benefits and risks of increasing your testosterone level.

The brain and pituitary gland, a small gland at the base of the brain, control production of testosterone by the testes. From there, testosterone moves through your blood to do its work.

4 days ago · Testosterone, discovered during the endocrine gold rush of the 1930s, was the first hormone chemically synthesized for replacement therapy. In both men and women, …

Jun 23, 2025 · Beyond sexual function and fertility, testosterone is the hormone that drives your masculine traits— facial hair, deeper voice, muscle growth. It also contributes to a man’s brain …

Want to know how much testosterone is okay for you? The answer may surprise you. Learn all about the male sex hormone here, including its primary benefits.

Nov 22, 2025 · Normal testosterone levels in men are 300–1,000 ng/dL; in women, they are 15–70 ng/dL. Normal testosterone levels are important for both men and women, since this …