How Foods Can Affect Cancer

Good news for soy-based foods, bad news for T-bone steaks.

What do steak, tofu and sushi have to do with cancer? Plenty, it seems, if several new studies served up at the American Association for Cancer Research in Boston are to be believed. And not all bear good news: the latest report from the sprawling Nurse's Health Study, for example, detected an unsettling association between red meat and breast cancer.