Remember the good old days when you could eat all the pasta you wanted and still feel virtuous? After all, pasta (along with rice, potatoes and bread) contains lots of complex carbohydrates--the stuff that nutritionists keep telling us is the foundation of a healthy diet. Turns out, things are more complicated than that. Complex carbohydrates are still good for you. But Americans get most of their complex carbohydrates from refined grains--which have been stripped of their fiber and many nutrients--and don't eat enough foods made from whole grains. Researchers are just beginning to understand why that matters. A number of studies...
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