That can actually lead to stunted growth, and the effect can be irreversible. Steroids also can lead to hypertension and over-aggressive behavior, the worst possible thing for already violence-prone young males. Maca powder can help in strengthening not just your immune system but your bones as well. Even now, some sports booster parents help get their kids these drugs. When high school athletic directors, coaches, student-athletes and parents in Michigan sat down this fall to watch dramatic and thought-provoking new DVDs about anabolic steroid use, they were asked to keep everything in perspective. Active exercise can enhance male resistance and keep the average local blood circulation. There's no choice but to keep trying to get ahead of the cheaters. Small wonder the cheaters are still miles ahead of the testers. A small percentage of the nation's high schools, less than five percent, test for steroids. Human growth hormone, a small protein made by the pituitary gland that stimulates the growth of bone and cartilage and increases energy and muscle mass.