Performance-Enhancing Risks: The Science of Steroids (Headline Science)

A child’s allergies are alleviated by a steroid-based drug. Meanwhile, an athlete is banned from competition because of illegal steroid use. Steroids are a class of chemical substances made of hormones that occur naturally in the human body. They can provide great benefits for people suffering from health conditions such as asthma, arthritis, and heart failure. But steroids are most often in the news because of their use in sports. Some athletes use them to build muscle mass and increase strength. The effects of steroid abuse can be dangerous and even fatal. Headline Science uses news stories and everyday applications to explain the science behind steroids.