Although the true root of migraine is still unclear, according to The Migraine Research Foundation, researchers believe that it has neurological roots related to chemical imbalances. Migraines can last between 4 and 72 hours. The most common symptoms include nausea, vomiting, dizziness, sensitivity to light, sound, and touch.
Cofactor is a large, structured listing of people, places, and things. Here you can find the description of each topic.