Most people around the world enjoy caffeine. This drug helps people feel awake. It can have some benefits, but it also has risks. This book uncovers the nutritional benefits of caffeine, its risks, and how much nutritionists recommend consuming each day. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.