Bernie Is a Heavy Marijuana User Who Has Developed Impaired

Multiple Choice

Bernie is a heavy marijuana user who has developed impaired memory and concentration abilities. Although Bernie finds it to be relaxing, he is extremely concerned regarding the consequences of his marijuana use. What is unusual about Bernie's case?

A) Most marijuana users are women.
B) Marijuana use rarely impairs memory or concentration.
C) Marijuana users tend not to be concerned about their use.
D) Marijuana is used for its stimulant effects.