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"Brain freeze"?

Harlan Harris hharris at cs.uiuc.edu
Fri Feb 28 21:29:17 EST 1997


In article <0n5pst200YUg01h2c0 at andrew.cmu.edu>,
Alexander R Terrill  <terrill+ at andrew.cmu.edu> wrote:
>>Can anyone tell me what mechanism causes the rapid, brief headache pain 
>>when a cold substance is ingested quickly?  
>
>It is not the brain that is sensing the pain...
>It has something to do with paranasal air sinuses.  

Hm. What I remember hearing is that the cold chills the carotid arteries,
and that the cold blood shocks the lining of the brain, which is what 
hurts. Similar location as migraines, but different type of pain, and of 
course much shorter.

So far we've got, what, 5 responses and 5 theories?

 -Harlan




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