Why do you think Americans use so many legal drugs (e.g., alcohol, tobacco, and OTC drugs)? Does society promote extensive drug use? In reviewing the 3 broad explanations of addiction—biological, psychological, and sociological—which theory or theories do you think best explain drug use? If illicit drug use was decriminalized, what would be the impact on the drug-related social problems? Give two examples of the impact, good or bad, of drug-related social problems.