Screen Time Shocker: Kids' Eyes Show Heart Risk, University of Sydney Study  
4/22/2011 8:00:03 AM

CBS News -- Parents generally don't worry much about the arteries in the backs of their kids' eyes. Maybe they should. New research shows that youngsters allowed to stay glued to a TV, computer, or video game have narrow retinal arteries - an anatomical "marker" for increased risk of high blood pressure, heart disease, and diabetes down the road.