Cluster headaches are relatively rare, but people who suffer from them can tell you that they are the most painful type of headache you will ever experience. Approximately 10% of the population is affected by migraines, but less than one-third of 1% of these people have experienced the symptoms of a cluster headache. Migraine headaches can be rather painful, but the pain brought on by migraines cannot hold a stick to the pain caused by a cluster headache. Very few people suffer from cluster headaches, less than 1% of the population actually.










