Celiac disease prevalence plateaued as gluten-free diets became more common. This made scientists question if gluten actually made people ill.
The Vatican told Catholics that Communion wafers with no gluten are "invalid," which may things difficult for gluten-intolerant worshippers.
Hundreds of people claim hookworms helped them overcome asthma or other inflammatory diseases. Soon, they may not even need the parasites.
For people with celiac disease, just a tiny amount of gluten can trigger big problems, even hospitalization.
Ted Cruz said he doesn't want the military worrying about providing gluten-free food options to men and women in the service.