Substance Use Disorder
The terms "addiction," "chemical dependency," "substance abuse," and "substance use disorder" are often used interchangeably in reference to the compulsive use of alcohol and other mood-altering substances, whether they’re prescribed and taken legally or illegally. But most professionals now use the term "substance use disorder" to describe the disease more broadly and without any stigmatizing language.
Of course, addiction isn’t confined to psychoactive drugs like alcohol and marijuana: a person can become psychologically dependent on a behavior, like shopping, gambling or gaming.
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According to DSM-5, a substance use disorder (SUD) involves patterns of symptoms caused by using a substance that an individual continues taking despite its negative effects. Based on decades of research, DSM-5 points out 11 criteria that can arise from substance misuse. These criteria fall under four basic categories — impaired control, physical dependence, social problems and risky use:
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