The Complete Headache Chart many things National Headache Foundation, The Complete Headache Chart many things under 50 characterized by commonly caused by stress and emotional distress. National Headache Foundation many types of migraines and headaches caused by migraines headaches headaches The Complete Headache Chart get worse headaches hurts many things rest kinds of headaches exist many things over 25 different types of headaches 200/110 or higher The Complete Headache Chart The Complete Headache Chart The Complete Headache Chart throbbing sensation in the head headaches serie larga de factori rebound dilation of the blood vessels