This book analyzes current research findings on caffeine compounds and their interaction with the brain and central nervous system. The book discusses the effects of coffee, tea, and chocolate on memory, cognitive performance, Parkinson's disease, stroke, oxidative stress, headache and sleep disorders, addiction dependence, and more. It also explores the relationships between caffeine and seizures, blood flow, alertness, and cravings. This reference will be of great interest to all students and researchers of nutrition, psychology, neuroscience, pharmacology, and other health related sciences.