Many Americans suffer from migraines and headache symptoms, some more frequent than others. The Winchester Institute has pulled together some interesting facts about headaches, triggers, and how you can manage them if they happen to you. Did you know? * 9 out of 10 Americans suffer from migraines or headaches. * Migraines are the 3rd most prevalent illness in the world. * 85% of chronic migraine sufferers are women. * More than 40% of all children have had a headache by the age of 7. * Only 12% of all headache and migraine sufferers seek preventive treatment. * 95% of headaches are primary headaches, meaning they are not caused by a disease. They are the primary health concern.