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Smoking pot can lower your IQ permanently, new study says

Teenagers who smoke marijuana are more likely to suffer from a low IQ, a new study has found.

Marijuana linked to increased risk of testicular cancer

A new study from the University of Southern California says marijuana use may increase the risk of testicular cancer.

Marijuana may slow cancer growth: Study

A compound found in marijuana may be the key to stopping cancer growth.

More Americans favor marijuana legalization than not, poll finds

Medical marijuana patient Kirk Anderson smokes marijuana during a protest outside of the State of California building on July 18, 2011 in San Francisco,

Justin Sullivan

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