In case you missed it, gluten-free dining is a pretty hot topic right now. Gluten seems to have become the new villain in the world of nutrition. The market for gluten-free items is exploding, with Americans spending billions of dollars on gluten-free products each year. Are more of us developing gluten intolerances or is eating gluten-free just perceived as a healthier lifestyle? Read more to find out what the science says about the GF diet.