We've all had a headache, right? (...well some very rare individuals have NEVER had a headache - lucky them!!). But, are you one of the 15 to 20% of the population that has experienced a migraine? The International Classification of Headaches 3rd Edition defines a migraine as: “Recurrent headache disorder manifesting in attacks lasting 4-72 hours. Typical characteristics of the headache are unilateral location, pulsating quality, moderate or severe intensity, aggravation by