Going Soy Crazy

A longtime staple of the Asian diet goes mainstream in the U.S. So how healthful is it?

It can't sprout a beanstalk into the heavens, but if even half the claims being made in behalf of the 5,000-year-old soybean are true, it may be the closest thing on earth to a magic bean. Not only is soy a low-fat food, but it's also believed to fight cancer, lower cholesterol, relieve hot flashes, boost bone density, brighten skin and even soften beards. Though none of these claims have yet been proved, manufacturers are riding high on the soy-is-healthy wave and pumping the marketplace full of soy products--some 300 new ones hit grocery-store shelves just last year. In all, more...

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