The problem of substance use in America.

Consider the problem of substance use in America. In 1,250-1,500 words, do the following: 1. Define substance use in your own words. 2. Discuss why Americans seemingly have such a desire for illegal narcotics. 3. Explain how treatment for substance use would be different if it was considered a disease versus a choice or behavior change. 4. Examine if the theories of psychopathology adequately explain substance use.