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We Finally Know What Really Causes Brain Freezes

Everyone has experienced that sharp, shooting headache as a result of stuffing their face with ice cream. Previously, scientists have suggested it’s just a result of the rapid cooling and rewarming of blood vessels in the sinuses, but a new study shows that the cause is actually buried much deeper. The research, carried out in part by Harvard Medical School, used trans-cranial Doppler imagin.
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