Anabolic-androgenic steroids (AASs) are a large group of molecules including endogenously produced androgens, such as testosterone, as well as synthetically manufactured derivatives. AAS use is widespread due to their ability to improve muscle growth

The term "anabolic" means the use of body energy to promote growth and regulate constructive metabolism. Anabolic-androgenic steroids (AAS) are steroidal androgens, which include natural androgens such as male sex hormone testosterone or could be

For the past 50 years anabolic steroids have been at the forefront of the controversy surrounding performance enhancing drugs. For almost half of this time no attempt was made by sports governing bodies to control its use, and only recently have all