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A member asked:
I've had a headache all day. the only thing that helps is eating ice, why?
A doctor has provided 1 answer
Migraines: Migraine headaches are often caused by excessive dilation of the cerebral blood vessels, though scientists do not fully understand what causes the dilation in the first place. Blood vessels don't just dilate spontaneously, they are presumably responding to chemical changes that are occurring in the body. Chewing ICE may cause some vaso-constriction to occur, thus helping the migraine improve.
Answered 6/14/2016
3.9k views
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