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dults who have concussions are at three times greater risk for suicide if the injury is sustained on a weekday and four times greater risk if it happens on the weekend, according to a new study.
University of Toronto researchers said the increased risk for suicide also increased with each concussion a person had, and that risk increased regardless of any other demographic factor.
The researchers found 667 suicides during a median follow-up of 9.3 years -- about 31 out of 100,000 people per year, a rate three times higher than in the overall population.
"Understanding how a history of concussion raises the risk of suicide, and supporting patients with better screening, treatment and follow-up for recovery may be important steps in preventing these tragic and avoidable deaths," said Redelmeier.