This shows the parent's power as a preemptive tool. The survey finds more reasons for parents to increase their efforts.
Teens say that cigarettes are now more difficult to buy, but marijuana is easier to get.
Twenty-eight percent know someone who uses it. The margin of error is plus or minus 3.1 percentage points. When parents did not know their teen's whereabouts after school or on the weekend, the teen was at twice the risk of using drugs, the survey found. They can counter negative media influences and the prevalence of marijuana and other drugs in a teen's world.