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Marijuana is the most widely used illicit drug in the United States and the first illicit drug teens use. |
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Marijuana available today can be 10 times as potent as that used in the 60s. |
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Research findings indicate that long-term use of marijuana produces changes in the brain similar to those seen after long-term use of other major drugs of abuse. |
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Marijuana can be laced with dangerous chemicals such as PCP, heroin, pesticides, LSD, cocaine and crack cocaine. |
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