02/27/2013 08:48 am ET

Gluten-Free Diet: Distinguishing Celiac Disease, Wheat Allergy, And Gluten Intolerance

hot bun of light wheat bread...
hot bun of light wheat bread...

According to USA Today, up to one-quarter of all consumers now want gluten-free food, even though only one person in 100 has celiac disease, the autoimmune disorder worsened by gluten ingestion. Going gluten-free seems somewhat faddish.

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