Gwyneth Paltrow gushes over gluten-free. Chelsea Clinton's wedding cake was baked without it. The new Old Spice guy avoids the ubiquitous protein to help stay buff. In fact, odds are good you too have tried — or at least encountered — a product with the gluten removed.
Because gluten-free is what low-carb was a decade ago: The "it" diet discussed on daytime talk shows, promoted by hyper-slim actresses and adopted by masses. Grocery aisles are stocked with the likes of gluten-free pasta, crackers, cereal and beer.
Americans are enthusiastically exiling a dietary staple that wasn't even in most people's vocabulary a decade ago.
But why?
Unlike some other dietary boogeymen like trans-fats, gluten is not inherently bad to eat. Only a small percentage of people can't tolerate the protein, which occurs naturally in wheat, barley and rye. Plus, banning gluten from your diet can be really hard.
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