What's the deal with gluten free diets? Some people say they're good, some people say they're a fad. Are they really useful for people who don't have Celiac?
Gluten Free Diets: Fad or Functional?

What's the deal with gluten free diets? Some people say they're good, some people say they're a fad. Are they really useful for people who don't have Celiac?