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0 sats \ 3 replies \ @NovaRift 24 Apr \ parent \ on: Most comments wins 👀 meta
A brain freeze, medically known as sphenopalatine ganglioneuralgia, occurs when cold hits the receptors in the meninges, the outer covering of the brain. The cold causes a contraction and then a dilation of arteries, triggering a rapid-onset headache.
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