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Unformatted text preview: • Availability • High end: Caucasians and native Americans • Low end: African Americans and Asian Americans • Causal theories of substance-related disorders o Biolgoical Genetics • Genetic risk is for substance abuse/dependence in general • Twin studies suggest there is a genetic component o MZ (monozygotic)– 55% o DZ 28% • Use – more environment, whether you get hooked or not may have to do with biology • What is inherited? o How you experience a drug You drink alcohol and experience an aversive, unpleasant effect you won’t drink as much If alcohol has little effect Ex: Asians, women, sons of alcoholics • Asians – more likely to have a gene that leads to flushing – red face, feels like burning (aversive) somewhat protective • Women – feel effects sooner, may be why they drink less, also protective • Sons of alcoholics – appreciate the highs of alcohol more and are less sensitive by the lows...
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- Spring '08
- Alcoholic beverage, Alcohol withdrawal syndrome