Migraines have become so well known that many people simply categorize any severe headache as a “migraine.” This isn’t accurate, however, and there are a number of differences between migraines and other types of debilitating headaches. Cluster headaches, in particular, are very painful and have actually caused patients to commit suicide on occasion. How do you know whether that blinding pain in your head is a migraine or cluster headache? These comparisons will help you to determine what...