Gluten-free diet more popular than ever, but who really needs it?

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Gluten-free diet more popular than ever, but who really needs it?

Gluten-free diet more popular than ever, but who really needs it?
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Gluten-free diet more popular than ever, but who really needs it?

by CBSTV Videos 4:23 mins

CBS News chief medical correspondent Dr. Jon LaPook explains what celiac disease is and whether people who don't have it would benefit from a gluten-free diet.

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