This title examines the reasons behind the opioid epidemic in the United States and its far-reaching effect on people's everyday lives. The brain science behind opioid addiction is also explored, and the book encourages readers to form their own opinions. Features include a glossary, references, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.