Are over-fortified processed foods too much of a good thing?

Dear EarthTalk: Is it true that much of our food—including cereals and snacks eaten by children—is actually over-fortified with excessive amounts of vitamins and minerals that can be dangerous to our health?   — Diane Summerton, Waukesha, WI   Added nutrients in the processed foods we eat could indeed be too much of a good thing, especially […]