(1) Male steroid sex hormones, androgens , are produced in the testes.(2) Researchers still don't know what makes a man susceptible to aggression and mania, but with more than a million Americans taking anabolic androgenic steroids there are good public health reasons for finding out.(3) Of course, exercise and weight-training are the natural routes to achieve this, but it can be achieved more easily, albeit at greater risk to health and reputation, by injecting anabolic androgenic steroids (AASs).(4) Acne commonly begins in adolescence with stimulation of the sebaceous glands by sex hormones, primarily androgens .(5) One of the earliest examples of a synthesized and enhanced steroid was the androgenic steroids called androgenic anabolic steroids, which are more potent than testosterone.(6) Thus, fasciculata and reticularis cells can make corticosteroids and the adrenal androgens , but not aldosterone.(7) This means that it interferes with some of the actions of androgens (male sex hormones) within the body.(8) Testosterone is the androgenic hormone primarily responsible for normal growth and development of male sex and reproductive organs, but it also facilitates the development of male musculature, bone mass and fat distribution.(9) Steroid hormones - including estrogens, progesterones, and androgens - modify the growth of certain hormone-dependent cancers.(10) Drugs commonly referred to as u2018steroidsu2019 are classified as anabolic, androgenic , and corticosteroids.