Inverse: Can This One Trick Cure Brain Freeze?

You’ve probably had a case of sphenopalatine ganglioneuralgia at some point in your life. Better known as brain freeze, this brief, intense headache typically follows the consumption of an extremely cold food or beverage — often ingested far too quickly.

A supposed brain freeze panacea that makes its rounds on the internet is to press your thumb to the roof of your mouth. But does the urban legend actually work? Neuroscientist Federica Genovese at the Monell Chemical Senses Center in Philadelphia reveals the truth about this cure-all and explains how and why brain freeze happens in the first place.

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