This book provides several viewpoints that debate four essential questions relating to gateway drugs. Do certain drugs have a gateway effect? Are gateway drugs harmful? What is the relationship between gateway drugs and other drugs? What should society do about gateway drugs? Readers will garner information from for-or-against essays as each topic is explained. Essay sources include the Office of National Drug Control Policy, The National Center on Addiction and Substance Abuse at Columbia University, Rosie Boycott, and Joseph A. Califano, Jr.