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According to the latest research, 9% of men and 12% of women in the U.S. experience at least 1-2 headache episodes per month. And, more than 4% of the U.S. population suffers from frequent headaches, defined as headaches that occur at least 180 days a year. Needless to say, headaches have become a social and economic burden in the United States, as well as other parts of the world. Scientists have identified over 300 causes for headaches. Various pain-sensitive structures and tissues including the skin, subcutaneous tissue, muscles, arteries, periosteal bone covering, and the upper cervical and facial nerves produce headaches when irritated or injured. Fortunately, only a handful of causes are responsible for the majority of headaches.
To learn more about specific headache types, headache treatments, prevention tips, or to view various articles related to headaches, choose from the upper right-hand table links.
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