Headaches are a social and economic issue in America, and globally. In the U.S. alone, more than 4% of the population suffers from frequent headaches. Headaches are broken down into various categories including, Cervicogenic, Muscle tension, Post-traumatic, Drug-induced, Migraines and Clusters.
Tension headaches are reported as the most common headache. The cause of tension headaches is muscle contractions, causing mild to moderate pain and lasting over an extended period.