People with gluten sensitivity, celiac disease, or gluten allergy should avoid gluten for different reasons. For people with sensitivity, gluten can cause bloating and other forms of gastrointestinal discomfort. For those with celiac disease, the inflammation caused by consuming gluten can lead to permanent intestinal damage. Gluten allergy is the rarest of the three forms of intolerance, marked by itching, hives, and other common symptoms of allergic reaction upon consuming gluten.

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