In 2013, more high school seniors regularly used marijuana than cigarettes as 22.7% smoked in the last month, compared to 16.3% who smoked cigarettes.

60% of seniors don't see regular marijuana use as harmful, but THC (the active ingredient in the drug that causes addiction) is nearly 5 times stronger than it was 20 years ago.

The United States represents 5% of the world's population and 75% of prescription drugs taken

60% of teens who abuse prescription drugs get them free from friends and relatives. Adderall use (often prescribed to treat ADHD) has increased among high school seniors from 5.4% in 2009 to 7.5% this year. 54% of high school seniors do not think regular steroid use is harmful, the lowest number since 1980, when the National Institute on Drug Abuse started asking about perception on steroids.

60% of teens who abuse prescription drugs get them free from friends and relatives.

54% of high school seniors do not think regular steroid use is harmful, the lowest number since 1980, when the National Institute on Drug Abuse started asking about perception on steroids.