The Oz Diet

The first time I looked into an open chest cavity at a heart muscle working to pump blood through the body, I was brought up short by the tragic graffiti of atherosclerotic plaque. This waxy goo, often found in overweight people, builds up in the vessels surrounding the organ in which, philosophers tell us, the soul lives. But I quickly pushed any such distracting thoughts from my mind. I was learning to operate and was frankly thrilled at the prospect of harvesting a leg vein to bypass the blockage. Surgeons are trained to think that way, and rightly so. Do a...