Concerns over Genistein, Part I—The heart of the issue

By Janet Raloff, 15:57 PM April 15, 2008

This is part one of a two-part series. Part II: "Concerns over Genistein, Part II—Beyond the heart" is available at Concerns over Genistein, Part II—Beyond the heart.

For the past few decades, health magazines—and, more recently, health Web sites—have touted the virtues of soy. Some studies have suggested it can dramatically cut heart risks. Others describe this legume as a potentially powerful weapon against cancer. Soy beans—and the tofu, tempeh, snack "nuts," and other products made from t...

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