Addiction

Marijuana use involved in more fatal accidents in Colorado

The proportion of marijuana-positive drivers involved in fatal motor vehicle crashes in Colorado has increased dramatically since the commercialization of medical marijuana in the middle of 2009, according to a study by University ...

Health

Signs point to sharp rise in drugged driving fatalities

The prevalence of non-alcohol drugs detected in fatally injured drivers in the U.S. has been steadily rising and tripled from 1999 to 2010 for drivers who tested positive for marijuana—the most commonly detected non-alcohol ...

Neuroscience

Traumatic spinal cord injuries on the rise in US

The number of serious traumatic spinal cord injuries is on the rise in the United States, and the leading cause no longer appears to be motor vehicle crashes, but falls, new Johns Hopkins research suggests.

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