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Chris Hadfield
Retired Canadian Astronaut & Author
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Study: Marijuana Use in Early Life May Affect Brain Function, IQ

An America where marijuana is legal could be right around the corner. It's a cross-generational cause that is finally starting to have its day on the ballot.

Fast Eddy Aki'a of Hawaii smokes a joint as thousands gathered to celebrate the state's medicinal marijuana laws and collectively light up at 4:20 p.m. in Civic Center Park April 20, 2012 in Denver, Colorado. Colorado goes to the polls November 6 to vote

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