WASHINGTON (September 26, 2012)--A major new study conducted in Canada suggests there's a serious drop in crash injuries among elderly drivers when doctors warn them, and tell driving authorities, that their patients are not medically fit to be on the road.
The study, published in Thursday's New England Journal of Medicine, couldn't tell if the improvement was because those patients drove less, or drove more carefully once the doctors pointed out the risk.
By one U.S. estimate, about 600,000 older drivers a year quit because of health conditions, but there are no clear-cut guidelines to indicate who really needs to give up their licenses because of health problems.
Only a few states require doctors to report drivers with worrisome health conditions to licensing authorities.
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