In the 21st century, it seems U.S. teens increasingly prefer Jack Herer to the Marlboro Man. 2011 marked the first time high school students reported smoking marijuana with greater frequency than cigarettes, according to a new study conducted by the Centers for Disease Control and Prevention (CDC).

In the annual survey entitled Youth Risk Behavior Surveillance (YRBS), 15,425 students from 158 high schools across the nation filled out questionnaires on a variety of sex, drinking …More

Marijuana grow tutorial for beginners.