What is Migraine - Symptoms, Causes, Prevention and Relief?

Migraine, also known as migraine headaches are periodic bouts of intense headaches. In migraine the pain mostly occurs on one side of the head but it can also be on both the sides. Migraine is caused because of enlargement of blood vessels combined with release of chemicals. Migraine headaches attacks are actually enlargement of the temporal artery which lies under the skin of the temple. This enlargement causes the nerves that coil around the artery to stretch which makes them release chemicals like serotonin that causes pain and inflammation. This phenomenon further enlarges the temporal artery causing migraine headaches. The headaches can last for