And once users stop taking steroids, they can have withdrawal symptoms such as loss of appetite, tiredness, restlessness, insomnia, mood swings, and depression.
Anabolic steroid use is illegal and banned by professional sports organizations and medical associations.
Anabolic steroids stimulate muscle tissue to grow and "bulk up" in response to training by mimicking the effect of naturally produced testosterone on the body.
Anabolic steroids can remain in the body anywhere from a couple of days to about a year.
Steroids have become popular because they may improve endurance, strength, and muscle mass.
Term Paper Steroids
However, research has not shown that steroids improve skill, agility, or athletic performance.
And people who use steroids also appear to be at higher risk for using other drugs, such as alcohol or cocaine, often to counteract some of the negative effects of steroids.
Steroid users who inject the drugs with a needle are at risk for infection with HIV (human immunodeficiency virus), the virus that causes AIDS, if they share needles with other users.
But some people use steroid pills, gels, creams, or injections because they think steroids can improve their sports performance or the way they look.
Anabolic steroids are artificially produced hormones that are the same as, or similar to, androgens, the male-type sex hormones in the body.