More than half of world's population deals with headache disorders, study suggests - USA TODAY

A new study says females report more headache disorders than men, but 52% of people worldwide deal with these issues.

Do you suffer from sinus, tension and cluster headaches or migraines? If so, you are part of the majority, according to a recent study saying over 50% of people worldwide have experienced some form o… [+2910 chars]

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