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Article: Addiction
- Article from:
- Gale Encyclopedia of Mental Disorders
- Author:
CopyrightCOPYRIGHT 2003 The Gale Group Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Addiction
Definition
Most definitions refer to addiction as the compulsive need to use a habit-forming substance, or an irresistible urge to engage in a behavior. Two other important defining features of addiction are tolerance, the increasing need for more of the substance to obtain the same effect, and withdrawal, the unpleasant symptoms that arise when an addict is prevented from using the chosen substance.
Description
The term addiction has come to refer to a wide and complex range of behaviors. While addiction most commonly refers to compulsive use of substances, including alcohol, prescription and illegal drugs, cigarettes, and food, it is also used to describe excessive ...