Michigan could become the first state to adopt a roadside saliva test for marijuana impairment if legislators pass a bill introduced in both the state House and Senate, according to The Detroit Free Press.
A bipartisan group of Michigan legislators is pushing saliva testing and Michigan State Police are championing it. But researchers who have studied the test method said results are inconsistent and especially misleading when applied to regular users of cannabis, such as the more than 100,000 Michigan residents who are allowed to use medical marijuana.
"We need to look to the future," said state Rep. Dan Lauwers, a Republican from Brockway Township near Port Huron, who sponsored the bill.
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