Almost 5 million people in the U.S. suffer a migraine episode at least once a month, while more than 11 million people believe migraines are the cause of disability. Women develop migraines most frequently, with 18% of all females experiencing the condition. That doesn’t mean the men escape, however, and 6% of American men have migraine episodes regularly. Interestingly, both symptoms and triggers can be different for migraines in men, who are more sensitive to light than women, but less so to...