The ballot measure provided that people can grow marijuana and use it with a doctor's approval for specific medical purposes.
CNN said 63 percent of Michigan voters supported the referendum, while 37 percent opposed it, with 60 percent of precincts reporting.
Sixty-five percent of Massachusetts voters opted to decriminalize the possession of up to 1 ounce of marijuana in a state referendum Tuesday, the Boston Herald reported.
"It's great to see the people of Massachusetts were able to see what a sensible, modest proposal Question 2 is," the Herald quoted Whitney Taylor of the Committee for Sensible Marijuana Policy as saying.
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