claim: "surveys of teens in high school reveal that knowing a classmate who sells cannabis is 90 times more common than knowing a classmate who sells alcohol."
author: james crowley
evidence_1: "surveys of teens in high school reveal that knowing a classmate who sells  cannabis is 90 times more common than knowing a classmate who sells alcohol." .
evidence_2: "surveys of teens in high school reveal that knowing a classmate who sells  cannabis is 90 times more common than knowing a classmate who sells alcohol." .
evidence_3: "surveys of teens in high school reveal that knowing a classmate who sells  cannabis is 90 times more common than knowing a classmate who sells alcohol." .
evidence_4: dec 6, 2014 ... surveys of teens in high school reveal that knowing a classmate who ... is 90  times more common than knowing a classmate who sells alcohol.
evidence_5: marijuana, prescription drugs, cocaine, ecstasy, other drugs sold at school .....  ... tobacco, alcohol, marijuana use common among classmates . .... more than  a quarter of high school students say most classmates use ..... problem, but  this year's survey reveals a sharp ... because it can often take a teen to know a  teen,.