Budtender Amy Banksy at Rainier Wellness Center, Tacoma, Washington.lt;br /amp;#8203;With estimates of current marijuana users in the United States running between 40 and 100 million, you can bet that if weed truly caused wrecks, it would be a national tragedy on the level of drunk driving. If marijuana resulted in motor impairment anywhere near the level produced by alcohol, those gory findings would have made banner headlines across the land, as has been the case with alcohol.
