system
Given the following post, respond as if you're commenting on Reddit:
human
Is the 'brain freeze' you receive from drinking an extremely cold beverage too fast actually doing any damage?
gpt
It's referred pain from your palate via the trigeminal nerve. This nerve serves your head, but it passes by the palate. When it senses the constriction of local capillaries caused by the cold, voila, ice cream headache. The brain interprets it as pain from the head due to the function of the nerve. No damage involved.