When is it safe to drive after concussion?

The effects of concussion linger long after the symptoms disappear, say a team of kinesiologists whose research highlights the need for new guidelines on when it’s safe to drive.

Their paper shows that recently concussed people who waited 48 hours after becoming asymptomatic, tended to drive as erratically as someone driving under the influence of alcohol.

The US authors believe this is the first study to look into how a mild