Impact of Drug Abuse on Health and Society Drug abuse and addiction not only has negative consequences on individuals, it also has devastating psychological effects on their family, friends and society.
Testosterone is a steroid hormone from the androgen group and is found in humans and other vertebrates. In humans and other mammals, testosterone is secreted primarily by the testicles of males and, to a lesser extent, the ovaries of females. Small amounts are also secreted by the adrenal glands. It is the principal male sex hormone and an anabolic steroid.
In men, testosterone is thought to regulate a number of functions in addition to sperm production:1 Most testosterone is produced in the testes. Sex drive Bone mass Fat distribution Muscle size and strength Red blood cell production.