This title examines how brain injuries in football affect individuals and society, investigates how people are working to avoid such serious injuries in sports, and analyzes the controversies and conflicting viewpoints surrounding the issue. Features include a glossary, selected bibliography, websites, source notes, and an index, plus a timeline and essential facts. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.