The definition of a migraine headache is that it’s an extended form of head pain which involves pressurized blood vessels, this usually on one side of the brain. The blood vessel, most likely an artery, does is enlarges in the brain, which causes the pain.
This blood vessel tightens while pressurizing the nerve fibers which are wrapped around the vessel, causing the surrounding nerves to release certain biochemicals. What’s detected is that something’s not right, which causes the inflammation, enlarging the artery.
The artery enlargement continues as the nerves become …