Addiction Terminology

Detoxification (detox): Withdrawal; the process by which a person gives up a substance or activity to which he or she has become addicted.

Impairment: An inability to carry on normal everyday functions because of an addiction.

Methadone: A chemical given to addicts to help them overcome their addiction to heroin.

Physiological dependence: A condition in which a person's body requires certain behaviors or the intake of some substance, without which it will become ill.

Process addiction: A condition in which a person is dependent on some type of behavior, such as gambling, shopping, or sexual activity.

Psychological dependence: A condition in which a person requires certain activities or the intake of some substance in order to maintain mental stability.

Substance addiction: A condition in which a person is dependent on some chemical substance, such as cocaine or heroin.

Tolerance: The ability of a body to endure a certain amount of a substance that had previously been too much for it to tolerate.

Withdrawal: The process by which a person adjusts to the absence of some substance or activity to which he or she has become addicted.