Headaches are one of the most common health complaints and can have many different causes, including stress, vascular conditions, sinus problems, dehydration, medication overuse, and sleep disturbances. In recent years, there has also been growing recognition that the neck may play an important role in some headache conditions, either as a primary source of pain or as a contributing factor.
One common mechanism is referred pain from fixation of the upper cervical joints. The nerves from the upper neck share connections with pain-processing areas that also receive signals from the head and face. As a result, irritation in the upper…
