Substance use Disorders Guest Lecture

Prevalence of substance use disorders suds in 2006

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Unformatted text preview: reduced because of substance use. ▫  Recurrent substance use in situaIons in which it is physically hazardous. ▫  substance use is conInued despite knowledge of having a persistent or recurrent physical or psychological problem that is likely to have been caused or exacerbated by substance. ▫  Tolerance, as defined by either of the following: –༉  A need for markedly increased amounts of substance to achieve intoxicaIon or desired effect. –༉  A markedly diminished effect with conInued use of the same amount of substance. ▫  Withdrawal, as manifested by either of the following: –༉  The characterisIc withdrawal syndrome for substance (refer to Criteria A and B of the criteria set for substance withdrawal). –༉  substance (or a closely related substance, such as a benzodiazepine) is taken to relieve or avoid withdrawal symptoms. Prevalence of Substance Use Disorders (SUDs) •  In 2006, 22 million (~9%) met criteria for dependence or abuse. ▫  Of those 15 million involved substance. ▫  Similar rates to anxiety and depression •  25% of substance abusers develop dependence •  DiagnosIc orphans - do not meet criteria for abuse or dependence, but have 1 or 2 symptoms of dependence. Pathway to SUDs Prevalence of substance Use Disorders (AUDs) •  LifeIme prevalence (Kessler et al., 1994) ▫  Abuse - 17% ▫  Dependence – 12% ▫  Both higher for men than women (20% vs 8%) •  Binge drinking ...
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