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Author Topic: What causes a migraine?  (Read 29 times)

sapu-jagat

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What causes a migraine?
« on: August 15, 2019, 09:22:33 pm »

Until recently, migraine was thought to be caused by the changing size of blood vessels in the brain. These changes either increase or decrease blood flow, which then trigger other changes. Today, migraine is thought to be a brain malfunction – a disorder that mainly affects the brain and nerves but also affects blood vessels. The “malfunction” is caused, in part, by the release of chemicals in the brain. One of these chemicals is serotonin. This cycle of changes cause inflammation and the pain of the migraine.

Migraine is genetic, meaning it tends to run in families. Some 60% to 70% of people who have migraine headaches also have an immediate family member (mother, father, sister, or brother) who have or may have had a migraine.

A migraine can cause great discomfort, disability, and interfere with activities. However, they do not
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