These days when the conversation turns to diet, the question is not so much what we should eat as what we shouldnt .
Deficiency diseases are almost history.
We now get so much advice on what foods to avoid that its tempting to simply throw up your hands and forget the whole thing. Unfortunately, thats not a realistic option. And with obesity comes increased risk of heart disease, diabetes, stroke, and some forms of cancer. But deciding whats healthy is no easy task when were faced with an almost daily onslaught of often controversial, sometimes even contradictory, nutritional information. To help sort through the conflicting claims, heres a quick review of the basic facts we know today.