Migraines - food for thought
In conventional medicine a migraine is considered to be due to a disturbance in blood flow to the brain. There is constriction of blood vessels followed by vaso-dilation (opening of blood vessels). Constriction is associated with visual symptoms (lights, flashes etc) and dilation is thought to lead to headache (1). Therefore conventional treatments focus upon drugs that affect blood flow (from simple analgesics/pain relief to blood pressure reduction). But what is the underly