FACT: People who began using marijuana before age 18 are 4 to 7 times more likely than adults to develop problem use.
FACT: Daily use today can have stronger effects on a developing teen brain than it did 10 or 20 years ago. The amount of the main psychoactive ingredient in marijuana, THC, has been increasing steadily over the past few decades. For a new user, this may mean exposure to higher THC levels with a greater chance of a harmful reaction. Higher levels of THC may mean a higher risk for addiction.

FACT: Smoking marijuana interferes with learning and memory, increasing the risk of poor grades and dropping out of school. Research shows it can lower your IQ if you smoke it regularly in your teen years. DRIVING AND MARIJUANA USE TRUE OR FALSE?

• Marijuana can decrease a person’s ability to drive a car. TRUE
• Marijuana affects certain skills required for driving – reaction time, alertness, concentration, and coordination. TRUE