The abuse of amphetamines is a serious problem in the United States among all age groups, from adolescents to those ages 40 and older, according to the Substance Abuse and Mental Health Services Administration. Methamphetamine, a form of amphetamine, is about twice as addictive as other amphetamines, making it a particularly worrisome drug. Amphetamines and Methamphetamine provides important information on the nature and chemistry of these drugs, their effects, abuse, addiction, and addiction treatment. Chapters include:. Overview. Historical Overview. How Amphetamines Work in the Body. Amphet.