Health Study: More Exercise, Less Sitting
[gtxvideo vid='GmgJNVPU' thumb='http://player.gtxcel.com/thumbs/GmgJNVPU.jpg' vtitle='Health Study: More Exercise, Less Sitting'] CNN-- A new study says sitting at your desk or in a chair all day can make your body feel older than you actually are. Kim Hutcherson explains why experts say…