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Why do we get a headache when we drink freezing water too fast?
What is the sphenopalatine ganglioneuralgia reflex? How does sudden constriction and dilation of blood vessels in the roof of the mouth trigger pain?
B
BioCurious
asked 1mo ago · 10 rep
1 Answer(s)
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The cold shocks the blood vessels in the palate, causing rapid constriction. Your nervous system reads this sudden change as a painful stimulus in your forehead.
N
NeuroCenter
answered 1mo ago