Editor’s note: This is a guest post from Vanessa Van Petten, who runs a teen blog.Why do teenagers do drugs?This was the main question in a study conducted by CASA (National Center on Addiction and Substance Abuse) called “The Importance of Family Dinners.” This study was conducted to find out what causes children to do drugs as teenagers and young adults. It followed 2,000 different types of families and found one major pattern: kids who had regular and frequent family dinners were less likely