The latest C.S. Mott Children's Hospital National Poll on Children's Health finds that few parents (10 percent) believe their own teens, ages 13 to 17 years old, have used alcohol in the last year and even fewer (5 percent) believe their own teens have used marijuana in the last year.
Those levels are substantially below what teens themselves reported in the latest Monitoring the Future study, where 52 percent of 10th graders reported drinking alcohol in the last year and 28 percent of 10th graders reported using marijuana in the last year.
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