(Photo credit: Moment/Getty Images) Anabolic steroids are drugs made in a lab that mimic the naturally occurring male sex hormones called androgens. Testosterone is the primary type of androgen.

Anabolic-androgenic steroids (AAS) are a synthetic form of testosterone used to increase muscle mass and strength. They may be dangerous and cause side effects, and the risks generally outweigh ...

In another study, three groups of men aged 18 to 50 answered questionnaires and gave blood to measure levels of the male sex hormone testosterone. This study included 89 current anabolic steroid ...

Nandrolone is a type of anabolic steroid. Anabolic steroids include testosterone and lab-grown (synthetic) forms of testosterone. Doctors prescribe anabolic steroids, including nandrolone ...

The term "steroids" is largely used to describe anabolic androgenic steroids, which are synthetic versions of testosterone. Testosterone is a hormone that is mainly produced in either the ...

Several regulatory concerns have hindered development of androgens as anabolic therapies ... potential interactions with steroid 5 α-reductase 2 or CYP19 aromatase, or tissue-specific expression ...