Women who reached their majority in states with policies that restricted teens’ access to tobacco products were less likely to smoke from ages 18-34 than women in states without those policies. The research did not demonstrate that the policies had a comparable impact on men’s smoking.
Almost one-third (32 percent) of the roughly 42,000 Monitoring the Future survey respondents reported having used marijuana during their lifetime. However, abuse of many other drugs—methamphetamine, heroin, cocaine, and some prescription medications—declined.
Within the 2 weeks prior to responding to a nationwide survey, 28 percent of high school seniors were in a vehicle whose driver had been using marijuana or another illicit drug, or had drunk 5 or more alcoholic drinks.
Teens who avidly seek new and intense sensations are more likely to start using substances, but are not more likely to use them regularly within the next 3 years unless they also are prone to devalue distant consequences and act impulsively.