The rates are 1 in 133 in the US according to a study of over 13,000 people in 2003, and they used pretty strict diagnostic criteria. A lot of Celiacs wouldn't have made the cut. (The rate was found to be 1 in 22 for those with a first degree relative with Celiac Disease, btw.)
Yeah, I'm mostly German, Irish, and English.
lol
I've tried New Grist. It was shitty.