Virtual Headache News Today

Medically Reviewed iStock (2) An estimated 39 million Americans have migraine, with symptoms that can range from mild to severe, according to the Migraine Research Foundation. Migraine attacks previously were thought to be a result of abnormal dilation of blood vessels in the brain, but scientists now believe that the cause may be more complex and involve inherited differences in brain chemistry. Women are much more likely than men to have migraine, as are people with a family history of migra...