Sex trend among teens글 내용Alarming trend in sexting among teens |. Teen Suicide Rates, Statistics, and Facts - HealthyPlace. Why is the U.S. teen birth rate falling? | Pew Research Center. Teens Are Having Less Sex, Using Contraception More Often. Fewer teens are having sex as declines in risky behaviors continue. CDC Reports Rise In Teen Pregnancy, STD Rates NPR. Depression is increasing among U.S. teens | Pew Research ..