Headache for History Buffs -- When Is a Headache More Than “Just a Headache?”: The Secondary Headaches -- The Primary Headache Syndromes: When Is a Headache “Just a Headache?” -- The Pharmacologic Treatment of Migraine -- Nonpharmacologic Treatment of Migraine -- Your Visit to the Doctor -- What to Expect.Frequent headaches seriously affect the lives of millions of sufferers. The result…