Study: When kids become teens, they get sluggish
Tuesday, July 15, 2008 - 15:21
in Psychology & Sociology
CHICAGO (AP) -- One of the largest studies of its kind shows just how sluggish American children become once they hit the teen years: While 90 percent of 9-year-olds get a couple of hours of exercise most days, fewer than 3 percent of 15-year-olds do....