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How much is too much caffeine?

With caffeinated marshmallows, pancake mix, gum and breakfast drinks on the market, companies are getting creative in catering to Americans' caffeine cravings. But consumer advocates say the food industry should be doing more to regulate and label products with a kick.

Tuesday - 03/12/2013, 11:50am EDT

Tags: caffeine, coffee, Food and Drug Administration, George Washington University School of Medicine, paula wolfson

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