 brain freeze |
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| abby_simson |
 Jul 25, 2011, 05:42 AM
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Newbie  Group: Basic Member Posts: 5 Joined: Jul 25, 2011 Member No.: 33470  |
When something very cold touches the center of the palate, the cold temperature can set off certain nerves that control how much blood flows to your head. The nerves respond by causing the blood vessels in the head to swell up. This quick swelling of the blood vessels is what causes your head to pound and hurt.
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