New study reveals the huge benefits of varying your walking pace rather than a steady plod. However, a steady plod is still better than watching TV. Anyone tried this ?
http://www.battlediabetes.com/news/exercise/walking-interval-training-could-help-with-blood-sugar-control
http://www.battlediabetes.com/news/exercise/walking-interval-training-could-help-with-blood-sugar-control