Soy and Lung Cancer
Dear Dr. Daniel, The deaths of Peter Jennings and Dana Reeve put the fear of lung cancer into me. Mrs. Reeve had never even smoked and now we're hearing about many other cases of lung cancer in people like her. This week's New Yorker even has a story about hospice care and the tragic last days of a 34 year old woman who died of lung cancer, not long after giving birth to a baby. What is causing all these tragedies?Do you have any reason to think that soy could be responsible? --ST Dear ST: As you might guess, the soy industry claims that soy protects against lung cancer. The evidence for that is dubious at best. Right now I've got little evidence that soy causes it. It's also important to say that soy rarely is the sole cause of health problems, most of which are affected by a multitude of dietary and environmental risk factors. That said, it's certainly possible that increased vegetable oil consumption, including soy oil, in the American diet could be responsible. As I discussed in my answer to the question above, healthy lungs and immune systems depend on satur
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