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But for some people, chronic headaches are a serious problem that cause missed work and an inability to enjoy everyday life. The UC Davis Headache Clinic has helped hundreds of patients who suffer from debilitating, chronic headaches. If you notice a change in the pattern of your headaches, or if they become more severe, you should see a doctor. Your doctor may refer you to the headache clinic for evaluation and treatment. When headaches are chronic and serious enough to prevent you from functionaing normally, you should see your doctor.