difference between licit and illicit drugs.
2.Describe three of the several ways drugs can be administered into the body. Discuss the advantages and disadvantages of each of them with respect to toxicity, side effects, and how drugs exit the body. Respond in no less than 250 words.
3.Summarize the Controlled Substances Schedules. Make sure to include their potential for abuse, the potential for medicinal use, and the level of physical and psychological dependence. Also include an example of a drug from each level. Respond in no less than 250 words.
4. Review the article, DSM-5 Criteria for Substance Use Disorders: Recommendations and Rationale, especially Figure 1 in the article (Hasin, D., et al., 2014). Note that this updates information (on DSM-IV) that appears in your textbook. Explain and give examples of at least five of the criteria used for diagnosis of substance abuse disorders, according to the Diagnostic and Statistical Manual 5 (DSM-5). Also address over what period the criteria need to be present to support a diagnosis. Respond in no less than 350 words.