Headaches are one of the most frequent health complaints with 76 percent of women and 57 percent of men saying they have a headache at least once a month. (1) It comes as no surprise then that headaches cost the U.S. economy an estimated $17 billion a year in lost work, disability payments, and health care expenses (2). There have been many suggestive theories as to what causes headaches and migraines with that said the medications being prescribed are largely unsuccessful.