Such use is prohibited by the rules of the governing bodies of most sports.
Most of these side-effects are dose-dependent, the most common being elevated blood pressure, especially in those with pre-existing hypertension.
A number of severe side effects can occur if adolescents use AAS.
AAS have been used by men and women in many different kinds of professional sports to attain a competitive edge or to assist in recovery from injury.
These sports include bodybuilding, weightlifting, shot put and other track and field, cycling, baseball, wrestling, mixed martial arts, boxing, football, and cricket.
are steroidal androgens that include natural androgens like testosterone as well as synthetic androgens that are structurally related and have similar effects to testosterone.
They are anabolic and increase protein within cells, especially in skeletal muscles, and also have varying degrees of androgenic and virilizing effects, including induction of the development and maintenance of masculine secondary sexual characteristics such as the growth of the vocal cords and body hair.
The most commonly used AAS in medicine are testosterone and its various esters (but most commonly testosterone undecanoate, testosterone enanthate, testosterone cypionate, and testosterone propionate), Others also available and used commonly but to a lesser extent include methyltestosterone, oxandrolone, mesterolone, and oxymetholone, as well as drostanolone propionate, metenolone (methylandrostenolone), and fluoxymesterone.
Depending on the length of drug abuse, there is a chance that the immune system can be damaged.
AAS users tend to research the drugs they are taking more than other controlled-substance users; however, the major sources consulted by steroid users include friends, non-medical handbooks, internet-based forums, blogs, and fitness magazines, which can provide questionable or inaccurate information.