A Healthy State of Confusion

No wonder so many of us are overweight, ill-nourished and just plain frustrated about how to shape up: every day brings more conflicting medical advice. Here's what experts are reporting now:

IS FAT THAT BAD? Everyone knows that a diet low in fat helps the heart and prevents cancer. But what if it doesn't? A $415 million, 12-year U.S. study of 49,000 older women found that a low-fat diet did not significantly reduce breast cancer, colorectal cancer or heart disease. But low-fat advocates say the study didn't distinguish between good fats such as those in olive oil...