car crashes

In States that Legalize Medical Marijuana, Opioid Use Decreases

A study published on September 15 shows that in states where medical marijuana is legal, fewer people use opioid drugs, bolstering advocates’ claims that marijuana can substitute for more deadly substances. [1]
Researchers examined federal traffic safety data from 1999 to 2013, using a sample of more than 68,000 people who died in a car crash in 18 states.