Eating within 8 hours may help keep the aging brain sharp

Eating within a shorter daily window may help protect certain thinking skills as people age.

In a small six-month trial, older women who limited eating to about 8 to 9 hours a day performed better on planning and problem-solving tests than those who ate over 12 hours.

Both groups lost similar amounts of weight, hinting that when people eat could matter in addition to how much they eat. ...