More than 13 million children are bullied each year in the United States. A professional football player can sustain 15,000 hits to the head in a 10-year career. Self-injury is a growing trend across the globe. Society faces new issues and challenges all the time. Some affect the entire planet, but others hit closer to home. Essential Issues explores topics that are of special concern to today's teens. Examine their root causes. Study the issues from different points of view. Learn what people are doing to solve these problems. Delve in and discover how these Essential Issues are shaping your world today and tomorrow.