What are the usual causes of migraine headaches?

Answer 1

Some of the most common causes of migraines are lack of food, lack of sleep, excessive heat, and excessive stress. If you have a family member who suffers from migraines, that also increases your chances.

Answer 2

There can be many causes for migraine headaches. There is no exact reason for migraines, it is believed that it happens when blood vessels in the brain get swollen and press on nerves. It isn't clear why this happens, and there may also be other reasons for them as well.

Answer 3

Some of the common triggers for migraine headaches include food additives, stress and hormonal changes. Physical exertion and changes to medication may also cause migraines.