Research from the National Center on Addiction and Substance Abuse at Columbia University reveals that teens who smoke cigarettes are _______ times likelier than nonsmokers to try marijuana and have friends who smoke marijuana.

Question

Research from the National Center on Addiction and Substance Abuse at Columbia University reveals that teens who smoke cigarettes are _______ times likelier than nonsmokers to try marijuana and have friends who smoke marijuana.​

Quizplus · Accepted Answer

The research from the National Center on Addiction and Substance Abuse at Columbia University shows that teens who smoke cigarettes are 14 times more likely than nonsmokers to try marijuana and have friends who smoke marijuana.