What term is used when a person must continue to take a drug to avoid withdrawal illness

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Physical dependence is the term used to describe the state where a person must continue to take a drug to avoid withdrawal symptoms or illness. It is caused by changes in the body's physiological processes, particularly in the brain and nervous system, in response to the drug. Tolerance refers to the decreasing effectiveness of a drug over time, while codependence and psychological dependence are related to emotional and behavioral factors rather than physical ones.

What Term Is Used When a Person Must Continue to Take