ADDICTION

Addiction is a condition in which the body must have a drug to avoid physical and psychological withdrawal symptoms. Addiction’s first stage is dependence, during which the search for a drug dominates an individual’s life. An addict eventually develops tolerance, which forces the person to consume larger and larger doses of the drug to get the same effect. Addiction is not only limited to chemicals but can also be manifested with a pornography or sexual addiction, or even a food addiction.

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Adapted from the Encyclopedia of Psychology (http://www.apa.org/pubs/books/4600100.aspx)