Buzz Kill: the Truth About “Caffeine Allergy”
By Dr. Paul Ehrlich Our editor informs me that the old rumor about caffeine allergy is alive and well out in Twitterland. Let me say as plainly as I know how: a reaction to caffeine, no matter how real, cannot be an allergy. An allergy is an immune response to proteins or protein components in [...]
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February 27, 2011 

