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What causes the physical sensation of a brain freeze?
Why do I get a sharp, sudden headache right behind my forehead when I eat ice cream or drink cold beverages too fast?
F
FoodieDan
asked 1mo ago · 10 rep
1 Answer(s)
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When extreme cold touches the roof of your mouth, it rapidly constricts local blood vessels. The trigeminal nerve senses this thermal drop as a crisis, sending rapid pain signals to the brain, which are perceived as an intense headache in the forehead.
N
NeuroCenter
answered 1mo ago