Workout Not Working Out?

Try doing intervals. Burns more fat  & cals than running/walking/doing the same mundane thing, again and again. (If you run, do five minutes at a jog, and 3-5 minutes at a "brisk" run or sprint. Walking? Try a couple minutes of jogging here and there, or even incline your treadmill for a few minutes. Proof? Check out this article out from the NY Times: http://www.nytimes.com/2007/05/03/fashion/03Fitness.html?_r=1