How to Break Weight Loss Plateaus

I had been playing with the same 4 pounds for a month.  I would lose three, gain back one, then lose two, and then gain them back, etc.  Then for two weeks, the scale refused to move  even though I was working out three times a week and staying within my weekly WeightWatchers points.  When I logged my weight into my page on the WeightWatchers website, it provided me with a link to an...