Worried that your friend is using marijuana? Answering “yes” to one or more of the following signs may indicate a problem.

Encourage your friend to seek help. For referrals, talk to your school nurse or other trusted healthcare professional. You may also call the following hotlines: the Center for Substance Abuse Treatment (CSAT) at 1-800-662-HELP (662-4357) or the Alcohol and Drug Abuse Crisis Line at 1-800-234-0420. For information, call the National Clearinghouse for Alcohol and Drug Information at 1-800-729-6686.


Most teens aren’t smoking marijuana. Four out of five 12- to 17-year-olds have never even tried marijuana.

Before it is sold, marijuana can be laced with other dangerous drugs without your knowledge. “Blunts” – hollowed out cigars filled with marijuana – sometimes have substances such as crack cocaine, PCP, or embalming fluid added to them.

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