Confidence votes 5. Prefix: im-. 1  Not (il- is used before an l, im- before a b, m or p, ir- before an r) - in-, il-, ir-, un-.  In, into, towards, within (il- is used before an l, im- before a b, m or p, ir- before an r) - in-, il-, ir-.
Anabolic steroids are synthetic substances similar to the male hormone testosterone. Doctors prescribe them to treat problems such as delayed puberty and other medical problems that cause the body to make very low amounts of testosterone.Steroids make muscles bigger and bones stronger.ome people take legal dietary supplements that have certain steroid hormones also made by the human body. One such supplement is dehydroepiandrosterone (DHEA). The body can turn DHEA into other steroid hormones, including testosterone, estrogen, and cortisol. People use it to try to make their muscles bigger.
What Steroids Do To a Body. To try to achieve the muscular look, some people use anabolic steroids, a synthetic version of the male hormone, testosterone.Anabolic steroids are drugs with many dangerous side effects.1  Psychological Side Effects of Steroids.2  General Physical Side Effects of Steroids. 3  Additional Physical Side Effects of Steroids.nabolic steroids are drugs with many dangerous side effects. 1  Psychological Side Effects of Steroids. 2  General Physical Side Effects of Steroids. 3  Additional Physical Side Effects of Steroids.