Headaches

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.