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Plants and Society, 3/e
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Psychoactive Plants

Concept Quizzes


Psychoactive drugs may be physiologically or psychologically addicting, or both.

Many believe that the more dramatic the physical withdrawal symptoms, the more dangerously addictive a drug must be. Do you agree or disagree?

Caffeine, ephedrine, and cocaine are central nervous system stimulants, and all can be considered psychoactive, yet only cocaine was described in depth in this chapter.

How do these alkaloids act on the body? How do they differ in potency, and why is cocaine the only one of the three stimulants considered a major drug problem?

On January 1, 1998, a California law went into effect banning smoking in bars. The intent of this law was to protect the health of workers in the bars. This follows similar legislation banning smoking in restaurants and other public places.

What is the rationale for these laws? Does the scientific literature support the reasoning for proposing this legislation?