For people with celiac disease, living a gluten-free lifestyle isn't a choice, it's a necessity. Celiac disease triggers an immune reaction to gluten (found in wheat, barley, and some other grains), which causes damage to the lining of the small intestine and prevents nutrients from being absorbed properly. It can cause stunted growth, weight loss, digestive difficulties, and other serious health problems. Because severe gluten intolerance has become more common in the last few decades, more...