I believe there are two factors contributing to the perceived rise: 1. The US has lagged behind Europe significantly in their knowledge and diagnosis of celiac

I believe there are two factors contributing to the perceived rise: 1. The US has lagged behind Europe significantly in their knowledge and diagnosis of celiacs disease/intolerance, so more people are finally being diagnosed. 2. The wheat in the US today is significantly different from the majority of European wheat [1] https://recipes.howstuffworks.com/is-american-wheat-different-than-european-wheat.htm https://recipes.howstuffworks.com/is-american-wheat-differen...