medicine

Roadside bombs have made brain damage a grim hallmark of modern war. A RAND study out today says 320,000 U.S. troops may have suffered brain injuries in Iraq and Afghanistan — and less than half say they were ever evaluated by a doctor.

For decades, hospital nurseries have taken great care to keep babies warm. You can hardly move in the average maternity ward without tripping over incubators, warming bassinets and receiving blankets. Now, though, some hospitals are turning the thermostat down for a few infants.