There Is No 'Fat Burning Zone'
by Beth Skwarecki on Vitals, shared by Beth Skwarecki from Lifehacker on (#46PYY)
All of the cardio machines are lying to you. There's probably some workout on the elliptical that promises to keep you in the "fat burning zone," and a chart on the treadmill informing you that the zone exists when your heart is beating at a certain rate. Forget it. The fat burning zone is a myth.