Does legal marijuana drive up fatal car accidents? More people do die in traffic accidents during the first few months after marijuana is legalized, but then the numbers fall again, according to a new Australian study.
The legalization of marijuana for medical use in three states and for recreational use in 10 has been a business boon and a relief to some patients, but there is also wide concern that its public health effects are poorly understood.
Earlier this year, studies suggested that more people were dying in car accidents involving drugs than alcohol in the US.
Others found that opioid overdose deaths fell in states like Colorado in the aftermath …