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Cluster Headache



Cluster headaches are unique in several ways. They occur in an episode—or cluster—that may occur daily over a period of weeks, sometimes even months. They may then disappear, only to recur seasonally the following year. In contrast with migraine which is more common in women, cluster headaches occur mainly in men between the ages of 20 and 40. A person experiencing cluster headaches may have up to eight attacks per day, each lasting about 15 to 45 minutes or lo...Read the full article