You know what really grinds my gears?!

[SlimKlim]

  I wouldn't say "prevalence".  Problem is during the 1990s, Celiac disease was fairly unknown and then in early 2000s got hit as the largest undiagnosed/misdiagnosed disease.  My sister always thought she "ate too fast" and had stomache aches after almost every meal. She went through a lot of testing and it wasn't until the 2nd endoscopy they disovered her villi in her intestines had shriveled up and were absorbing nutrients poorly. 

I had to live somewhat Gluten Free my teenage years since my sister was diagnosed then.  The kitchen requires it to be sanitized as any "contamination" through cooking surfaces would hurt my sister.  I said "somewhat" because my mom stocked some  regular snacks in my room and when I ate out I could order what I wanted.  It was tough then since even at Whole Foods there was only a small section Gluten Free.  At first my sister hated the "fad to eat gluten free" since most restaurants didnt take it seriously enough. She then came to love it because you can get a lot of good food nowadays because of it. I remember how much of a pain it was in high school for my mom, and I was a teenager that DIDNT pay attention to what I ate, so I cant imagine how bad it was.

Edit:  If I remember right they diagnosed it for years as acid reflux.

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Just wanted to add, if you do feel better not eating Gluten, you might want to get tested.  It can be "age onset".  Since you have been eating gluten your entire life, you may not know how bad you are feeling as our bodies cope.  

My sister whad from stomache aches because her body was coping. Now her body goes "in shock" in response to gluten since she lives gluten free. It can send her straight to the hospital. Think of it like "alcohol tolerance", the more you do it, the more you can cope; but doesnt mean you are feeling 100%.

Yeah my Mom wasn't diagnosed until she was in her late-30s, she didn't start experiencing symptoms until her early-30s. They told her for years that she had thyroid issues until she finally found a doctor that thought to test her for Celiacs.