10 foods that can make you grumpy

POSTED: 08:22 AM PDT Oct 15, 2012    UPDATED: 05:05 AM PST Jan 02, 2013 

Avoid these 10 foods that can wreck your mood and turn you into a grump.

Grumpy Foods - Sweet Potatoes
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Sweet Potatoes -- The sugar in many packaged sweet potatoes and even homemade recipes for candied or marshmallow casserole sweet potatoes will start the suffering process for your brain and mood minutes after eating. 

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