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What causes brain freeze?

Brain freeze is a phenomenon people experience when they rapidly consume cold foods and drinks such as ice cream or slushies. The cold causes rapid constriction of the blood vessels in the palate and sinuses. As these vessels warm back up, they undergo extreme rebound dilation, which is sensed by nearby pain receptors and causes the painful headache we call brain freeze. The solution: slow down and savor your icy treat.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.