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 increased muscle and bone mass, and the growth of body hair
Testosterone therapy: Potential benefits and risks as you age Testosterone levels generally peak during adolescence and early adulthood As you age, your testosterone level gradually declines — typically about 1% a year after age 30 or 40 For older men, it's important to determine if a low testosterone level is due to normal aging or if it is due to a disease (hypogonadism)
Testosterone Levels By Age in Men: Chart How to Test Testosterone is a hormone that’s crucial for men’s health It’s essential to a man’s day-to-day health, including sex drive, sperm production, muscle growth, bone growth, hair growth, voice deepening, red blood cell production, cognition, and glucose control As you age, hormone levels decline
Testosterone | Definition, Effects, Facts | Britannica 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 Testosterone was isolated from testicular extracts in 1935