For years, the cause of migraine was unknown, but doctors now know more about the severe headaches that cost sufferers 157 million lost workdays and 8 million doctor visits annually. It's a disorder of the nerves and nervous system and the blood vessels are just innocent bystanders. They have fewer side effects. That's probably what changed our attitude about people with headaches. You experience sudden severe headache.
Daily headaches are a new occurrence.
Headache occurs after trauma. E'Louise Ondash is a free-lance writer and registered nurse.