Definition of Drug Addiction

It is difficult to define addiction because it involves so many different fields.  Just a few of these fields include: medicine, psychology, chemistry, physiology, law, political science, sociology, and biology.

Confusion about the definition of addiction could lead to:

To avoid this confusion, clinicians and researchers have developed the 3 C's of addiction:

Definitions from other sources:

1) American Medical Association Dictionary:

2) What is Addiction? A perspective 3) False Messengers: How Addictive Drugs Change the Brain1

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