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 increased …

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.

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.

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 deepening of the voice. …

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

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 hormone affects …

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.

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 hormones …

10 hours ago · Testosterone Testosterone: The Great Male Optimization Myth The risky business of running a 50-year-old body on 20-year-old fuel. Posted January 8, 2026 | Reviewed by Margaret Foley

Mar 18, 2024 · Testosterone is the primary sex hormone in men, and it is responsible for the development of many physical characteristics that are considered typically male. Women also …