Watch VoirFilms. It is one of the most controversial issues of our day, jeopardizing the health and smearing the reputations of Olympians, professional sports players and even high school athletes. The government has declared them illegal without a prescription, athletes call them unfair, and some doctors say they are potentially deadly. What are the real dangers of these drugs? We've seen what's happening outside the body; now NGC reveals what's happening inside the body, in the Science of Steroids.