Cigarette smoking is the leading cause of preventable disease and death in the United States, according to the CDC. But aside from killing up to half of its users, smoking can also trigger headaches and migraines. Smoking and migraines Almost every person in the world has had a headache at some point or another. Some people get them sporadically, only experiencing one or two mild episodes per year. A few others, however, are more susceptible to getting frequent headaches or...