Drug abuse and addiction. objectives. Analyze substance abuse and give 2 symptoms of the disorder Compare and contrast the models of addiction (biological and learning model). overview. Most people who use drugs (legal, illegal, prescription) use in moderation
The biological model holds that addiction is due primarily to a person’s biochemistry, metabolism, and genetic predisposition.
More evidence comes from twin studies.
Addiction patterns vary according to cultural practices and the social environment.
Policies of total abstinence tend to increase addiction rates rather than reduce them.
Not all addicts have withdrawal symptoms when they stop taking a drug.
Addiction depends on both the drug and the reason for taking it.