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 …

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.

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

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

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 …

Nov 7, 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 …

Oct 11, 2025 · Testosterone levels by age play a pivotal role in male puberty and decrease over time. This decline can lead to symptoms like a decreased sex drive.

Jul 18, 2023 · Testosterone is the key male sex hormone. Its functions include regulating fertility, muscle mass, fat distribution, and red blood cell production. When levels of testosterone drop …

Testosterone is a naturally occurring steroid hormone produced primarily in the testes in men and in smaller amounts by the ovaries and adrenal glands in women. It belongs to a class of …