Table 2.

Eligibility of subjects for participation in the study of dietary interventions for chronic daily headache, May 2010

All subjects are evaluated by a neurologist prior to enrollment
Inclusion Criteria	Exclusion Criteria
• Subjects >18 years of age	• Marked depression, anxiety or psychosis
• Either gender • Meets 2004 ICHD-II* criteria for Chronic Daily Headache • Headache frequency days/month: > 15 • Headache history: > 2 years Includes: Chronic migraine, transformed episodic migraine into CDH, chronic tension-type headache and persistent daily headache • Willing to complete daily diary for 6 weeks • Able to attend 12 weekly treatments • Under care of physician for headaches • Able to read and communicate in English	• Pregnancy or anticipated pregnancy • Active treatment for a major medical illness, such as malignancy, autoimmune or immune deficiency disorder • History of significant head trauma or head/neck surgery within the past 2 years • History of subarachnoid or intra-cerebral hemorrhage or chronic subdural hematoma • History of clotting disorder • History of systemic infection such as meningitis or encephalitis • History of vasculitis or intracranial mass • Cognitive dysfunction that would prevent informed consent

*International Classification of Headache Disorders, defined by expert members of the International Headache Society