One of the most common complaints treated at our office with great success are headaches. It is estimated that between 50 and 100 million people suffer from chronic headaches each year. The headaches may be described as sharp, dull, throbbing, stabbing, band like or thumping. Headaches occurring late in the day and aggravated by stress may indicate muscular tension involvement. Usually some muscle tightness will be present at the shoulders and neck areas.