According to the U.S. Department of Health and Human Services' Substance Abuse and Mental Health Services Administration, roughly 20 million Americans use illicit drugs annually. Approximately 10 percent of teens between the ages of 12 and 17 use illicit drugs, and this number jumps to 20 percent for young adults between the ages of 18 to 25.The Truth About Drugs, Second Edition provides a complete and informative guide to drugs and drug abuse. The hard facts and personal testimonies will help teenagers make an informed decision about drugs. New and revised entries include: