One in four women has had a migraine. And, it turns out, the debilitating headaches affect three times more women than men.
Decades ago, these headaches were attributed to women's inability to cope with stress, a sort of hysteria. Now experts are starting to figure out the factors that really make a difference.
Today scientists know a migraine is all in your head — but not in that old-fashioned sense. Migraines are biologically based, and they play themselves out as a wave of electrical activity traveling across the brain.