Bad-Mouthing Gluten. What's behind the craze for gluten-f ree food?

摘要

For the estimated 1% of the population with celiac disease, gluten is a kryptonite that can trigger digestive distress and cause long-term health problems. (It's also problematic for a slice with less severe gluten sensitivity, though there are no solid numbers on its prevalence.) But for the vast majority of us, gluten is a harmless protein found in grains like wheat, rye and barley that is best known for giving bread its fluffiness.