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Question:
What happens to your brain when you have a headache? We are 3rd graders at lunch with Newton.



Replies:
Most headaches are temporary problems with blood vessels that serve the head skin and muscles, or are problems with muscles in the head and neck. Usually headaches are not in the brain itself. But sometimes, repeated bad headaches can indicate a severe problem, such as a brain tumor, but this is rare.

--ProfBill



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