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Buzzkill to your IQ score

 This may cause a debate among some, but a new long-term study says smoking pot can permanently lower your IQ score.  Dr. Sanjay Gupta takes a closer look.

Fri Sep 14, 2012 @ 1:34:40 pm ET via Blog
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I’m a father of three, a practicing neurosurgeon, and a globe-trotting journalist. Join me as I go beyond the headlines, and offer insight to stories that shape the quality of life for you and your family. FULL BIO

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