Using a question and answer format, this booklet is designed to inform teens about the dangers of marijuana usage. Inset facts about marijuana and teen perspectives compliment the following topics: (1) What is marijuana? (2) How is marijuana used? (3) How long does marijuana stay in the user's body? (4) How many teens smoke marijuana? (5) Why do young people use marijuana? (6) What happens if you smoke marijuana? (7) What are the short-term effects of marijuana use? (8) Does marijuana affect school, sports, or other activities? (9)What are the long-term effects of marijuana use? (10) Does marijuana lead to the use of other drugs? (11) How can you tell if someone has been using marijuana? (12) Is marijuana sometimes used as a medicine? (13) How does marijuana affect driving? (14) If someone is pregnant and smokes it, will marijuana hurt the baby? (15) What does marijuana do to the brain? (16) Can people become addicted to marijuana? and (17) What if a person wants to quit using the drug? (GCP)