Anabolic steroids are a synthetic form of male hormones that normally treat growth problems and delayed puberty in boys and some other medical conditions. Testosterone is a main type of anabolic steroid. Men and women sometimes abuse these steroids in an attempt to build muscle and improve athletic performance. Anabolic steroids can have very dangerous side effects in both men and women, leading to decreased bone growth, increase in cholesterol, hair loss, decreased genital size, and more. Treatments for steroid abuse include rehab, hospital treatment if necessary, and counseling. Follow the links below to find WebMD's comprehensive coverage about steroid abuse, reasons people abuse steroids, treatments, and much more.