How treatment for substance use would be different if it was considered a disease

Consider the problem of substance use in America. In 1,250-1,500 words, do the following:

Define substance use in your own words.
Discuss why Americans seemingly have such a desire for illegal narcotics.
Explain how treatment for substance use would be different if it was considered a disease versus a choice or behavior change.
Examine if the theories of psychopathology adequately explain substance use.
Provide three to five peer-reviewed sources to support your claims.
Prepare this assignment according to the guidelines found in the APA Style Guide, located in the Student Success Center. An abstract is not required.
This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.