With each passing month, certain foods and fad diets come in and out of favor. One food that's been on the "bad" list for a while is bread—more specifically, gluten. Today, as many as 1 in 3 Americans avoids gluten—a protein found in wheat, barley, and rye—thereby eliminating grains and cereals from the diet. Is gluten really that bad? And what happens to your brain when you cut carbs from the diet? I was glad to share some thoughts, and some concerns, with My Domaine -- how does a scientist feel about the Great American Gluten Panic? The article is here.