How safe is that driver next to you? A trucker’s poor health could increase crash risk

As commuters shimmy past large, lumbering trucks on the road, they may glance over and wonder, “How safe is that driver next to me?” If the truck driver is in poor health, the answer could be: Not very. Commercial truck drivers with three or more medical conditions double to quadruple their chance for being in a crash than healthier drivers, reports a new study.