The most common of the psychoactive substances,used by 90 percent of Americans,is
A)nicotine
B)caffeine
C)marijuana.
D)opium.

Question

Quizplus · Accepted Answer

Caffeine is the most widely used psychoactive substance in America, with an estimated 90 percent of adults consuming it daily through coffee, tea, soda, or energy drinks. While nicotine and marijuana are also commonly used, they are not consumed by as high a percentage of the population. Opium is a highly controlled and illegal substance in the United States and is not commonly used.

The Most Common of the Psychoactive Substances,used by 90 Percent