Incidence of Headache and Its Effect on Quality of Life in Geriatric Patients With Chronic Neck Pain

cross sectional study to detect the incidence of headache and its effect on quality of life in geriatric patients with chronic neck pain. Patients will fill out quality of life questionnaire and headache disability index. We will take information from the patients about: * The frequency of headache occurrence. * Visual analogue scale of chronic neck pain. Main measures: chronic neck pain will be assessed by visual analogue scale. Patients will fill out quality of life questionnaire and headache disability index.