Which type of psychoactive drug has harmful effects and is most likely illegal?

Question

Quizplus · Accepted Answer

Illicit drugs are most likely to be illegal and have harmful effects. They are also considered psychoactive drugs, which alter brain function and behavior. Over-the-counter drugs may have side effects but are legal and generally safe when used as directed. Recreational drugs may include illicit drugs but can also refer to legal substances used for pleasure or socializing.

Which Type of Psychoactive Drug Has Harmful Effects and Is