Comparing adolescents who smoke cigarettes with those who do not, and then looking at later adoption of marijuana use, cigarette smokers are about twice as likely as non-smokers to later use marijuana. For this reason, what have cigarettes been referred to as?
A) Addictive
B) A gateway substance
C) A conduit
D) A correlate

Question

Quizplus · Accepted Answer

Cigarettes have been referred to as a "gateway substance" because their use is often followed by the use of other, more dangerous drugs, such as marijuana, according to the pattern described.

Comparing Adolescents Who Smoke Cigarettes with Those Who Do Not