How widespread are gluten-free foods? Citi Field, home of the New York Mets, sells gluten-free hot dogs and beer.

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By Melinda Beck, The Wall Street Journal

Gluten-free foods are everywhere these days—but they’re much more than just a health craze.

The bevy of new products, from gluten-free pasta to pizza and beer, are a boon to people with celiac disease, wheat allergies or gluten sensitivity who are on very restrictive diets. That group has grown dramatically in recent decades, for reasons not understood.

Are they beneficial to everyone else? Probably not.

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The notion that a gluten-free diet can help people lose weight or avoid carbohydrates is a myth. “Many packaged gluten-free products are even higher in carbs, sugar, fat and calories than their regular counterparts, and they tend to be lower in fiber, vitamins and iron,” says Shelley Case, a registered dietician on the medical advisory board of the Celiac Disease Foundation. “Gluten-free does not mean nutritious,” she notes.

Gluten, a protein in wheat, barley and rye, is not only a key ingredient in baked goods. It’s also used as a thickening agent in ketchup and ice cream. It helps ferment vinegar and alcoholic beverages. It’s even in lip gloss and envelope adhesives.

For people with celiac disease, ingesting even tiny amounts of gluten can set off an autoimmune reaction that flattens the finger-like villi lining the small intestine. The most common symptoms are bloating, gas, diarrhea and constipation, as well as early osteoporosis. The autoimmune reaction can also cause skin rashes, chronic fatigue, bone and joint pain, neurological problems, liver problems, diabetes, infertility in both men and women and cancers, including lymphoma. An estimated three million Americans have celiac disease—and the vast majority don’t know it because it can have no symptoms or mimic other diseases.

To read more, visit: http://online.wsj.com/article/SB10001424052748703846604575447413874799110.html?KEYWORDS=Giving+Up+Gluten