Printed brochures can be ordered in bulk quantities. Physicians may request samples and find pricing info from the online AAFP catalog . Migraine headaches seem to be caused in part by changes in the level of a chemical called serotonin in the body.
Serotonin plays many roles in the body, including effects on blood vessels.
In people with migraines, this swelling causes pain or other problems. Many things can affect the level of serotonin in your body, including your level of blood sugar, certain foods and changes in your estrogen level if you're a woman. The pain of a migraine headache can be intense. It can get in the way of your daily activities. Migraines aren't the same in all people.