Feeding the body and the brain is important. over the summer I
   taught D. the basics of every major sport he might encounter in
   school. I'm not a sports nut - never watch the stuff. But
   anything that gets you running, jumping, ducking, throwing,
   catching, hitting, pitching is good for the muscles,
   heart+lungs. Recess + gym are minimal in most schools - gotta
   have something. "