Source: Testosterone image, Public Domain: http://upload.wikimedia.org/wikipedia/commons/c/c2/depo-testosterone_220_ml.jpg Bodybuilder; Public Domain: Public domain: http://upload.wikimedia.org/wikipedia/commons/3/32/Luk%C3%A1%C5%A1_Osladil.jpg
A substance that mimics testosterone used to build muscle and enhance physical performance.
A disorder associated with liver function that can be caused by use of steroids.
An organ of the body often affected by the use of steroids.
The male sex hormone that is mimicked in many steroids.