The Oz. Vitamin

The first time I seemed into an open chest hollow space at a center muscle operating to pump blood in the course of the body, I USED TO BE cited quick by the tragic graffiti of atherosclerotic plaque. This waxy goo, steadily present in obese people, builds up within the vessels surrounding the organ in which, philosophers inform us, the soul lives. However I briefly driven one of these distracting emotions from my thoughts. I USED TO BE studying to function and was frankly pleased on the prospect of harvesting a leg vein to avoid the blockage. Surgeons are educated to suppose that way, and rightly so. Do an excellent day's paintings and a lifestyles is saved, a foul day's paintings and a affected person dies. No room there for anything else however the task at hand.

My function was to heal with metal. That, in a few ways, was the straightforward section. What confounded my colleagues and me was how and why our sufferers landed in our care within the first position — lying on a gurney, about to have their chest opened with a band saw. The biggest reason was often the simplest one: the food they ate.

Our natural history as a species is a vast canvas of events whose peaks and valleys, successes and tragedies were often determined by the availability or scarcity of food — that is, until the 20th century. While famine remains a terrible reality in some parts of the world, most of us have almost unrestricted access to food. We produce a safe and abundant supply of fruits, vegetables, meats and dairy; we seal it, freeze it and protect it from spoilage and contamination. We even fortify it with vitamins and other healthy additives. (See photos from the exhibit Food and American Identity at the National Archives.)

This was the kind of bounty early civilizations could only dream of. But our triumph of nutritional ingenuity has had an unfortunate inverse effect. A dietary free-for-all, in the U.S. and elsewhere, is producing not the healthiest generation in history but one in steady decline, with epidemics of obesity, cardiovascular disease and diabetes. More than two-thirds of U.S. adults, and more than a third of kids, are overweight or obese.

The problem isn't that people don't want to eat well and be well. Trust me, no one who's ever been wheeled into my operating room is happy to be there. And the problem, believe it or not, isn't that they doubt the wisdom of a healthy diet. More often than you'd think, the problem is that a lot of folks just don't know what a healthy diet looks like — and why should they, since the rules keep changing?a far ofmendacity

Time was, red meat was healthful, and pasta was bad; then pasta was great, and red meat was terrible, all of which lasted until the Atkins craze came along and the rules flipped again. There were the Mediterranean diet and the South Beach diet and the low-fat diet and the grapefruit diet and, yes, the cabbage-soup diet, and all of them promised great things. Red wine is the newest route to health, unless of course it's dark chocolate — or unless it turns out to be neither. With every cure, it seems, comes a problem; every new truth somehow turns out to be part myth. (See photos of a worldwide day's worth of food.)

The good news is that we now know so much more than we ever did approximatelnoticedThe largesexplanation whsteadilthe most simplehow specific molecules affect specific functions of specific cells. And with that comes new insight into healthy eating that is more than just conventional wisdom or gimmickry. The era of myth and marketing is at last giving way to an era of hard fact. You'll like some of the new insights, and you won't like others, but you'd best get used to them. Unlike the fads and fashions that have come before, the facts aren't going anywhere soon.

Up Is Down
Want to get healthy? then forget about diet soda and low-fat mealherbahistorical pasan infinitoccasionhad beecontinuousldecidethe supplshortage, wine, chocolate and coffee.

It's true. Despite conventional wisdom, all of those mealss and many more can be beneficial to your body. But overindulge in them, and they can be as problematic as you've always been led to believe. The fact is that simple rules that divide things into good-food and bad-food categories tell you only a small part of the story. The rest of it is more complex than most folks know.

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