• More than 45 million Americans, more than the 33 million sufferers of asthma, diabetes and coronary heart disease combined, get chronic, recurring headaches.
• It is estimated that industry loses $50 billion per year due to absenteeism and medical expenses caused by headaches.
• In excess of $4 billion are spent annually on over-the-counter pain relievers for headache. (Many of these are ineffective for the headache sufferer).

From the National Headache Foundation