Take this quiz to examine how much you already know about drug and supplement use. If you cannot answer a question, pay extra attention to that topic as you study this chapter.

  1. Over-the-counter medications can be harmful when used incorrectly.

  2. A drug has the same effect on everyone who takes it.

  3. Drugs and foods you consume can interact and change how they affect your body.

  4. It is safe to take a friend’s prescription medication because a doctor prescribed it.

  5. Crystal meth is a dangerous, highly addictive drug that ages the user very quickly.

  6. There are no health risks from using e-cigarettes because no tobacco is used and no smoke is produced.

  7. Abuse of prescription painkillers often leads to heroin use.

  8. Substance use disorder (SUD) is a curable disease.