[mamelukesabre]

What about when someone is paranoid and delusional about the dangers of gluten? What causes that?

[hunter112]

Good point. Wheat and barley were the cereal grains that civilization were built upon. When people have children who have a mutation that keeps them from digesting them, then they should keep them away from gluten and breeding.

The rest of us should just go along on our merry way.

[MetaThought]

There are definitely reports that suggest that gluten-sensitivity is way more common than reported.

What about when someone is ignoring and mocking the dangers of gluten? What causes that?

[muawiyah]

For the most part you figure out early on that "something is wrong" when your T-cells get the idea they should kill off your villi.

Thanks to the internet you can learn that this is a dangerous condition in just under 10 minutes.

There are already 12 different alleles credited with causing the condition referred to as Celiac Disease.