
Testosterone: What It Is, Function & Levels - Cleveland Clinic
Sep 1, 2022 · As testosterone in your blood increases, it suppresses the production of gonadotropin-releasing hormone, which helps maintain normal levels of testosterone. If any of …
Testosterone - Wikipedia
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 …
Testosterone | Hormones
Present in much greater levels in men than women, testosterone initiates the development of the male internal and external reproductive organs during foetal development and is essential for …
Testosterone helps bring on the physical changes that turn a boy into a man. This time of life is called puberty. Changes include: Men also need normal amounts of this hormone to make …
Testosterone — What It Does And Doesn't Do - Harvard Health
Signals sent from the brain to the pituitary gland at the base of the brain control the production of testosterone in men. The pituitary gland then relays signals to the testes to produce …
Testosterone | Definition, Effects, & Facts | Britannica
Dec 19, 2025 · Testosterone serves as a circulating prohormone for a more active androgen called dihydrotestosterone. Testosterone is converted to dihydrotestosterone in most tissues …
Testosterone: Functions, deficiencies, and supplements
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: Functions, Imbalances, and Health Strategies
Dec 1, 2025 · Testosterone is a primary regulator of sexual function and libido in both sexes. In men, it supports the development of reproductive organs and is involved in sperm production.
Testosterone: What It Is and How It Affects Your Health
Mar 17, 2023 · Testosterone is most often associated with sex drive and plays a vital role in sperm production. It also affects bone and muscle mass, the way men store fat in the body, …
Testosterone: What You Need to Know | Ada Health
Sep 6, 2024 · Testosterone is a sex hormone that’s often associated with secondary sexual characteristics in men like facial hair and deep voices. However, both men and women need …