![What happens to your brain during a migraine - Marianne Schwarz](https://i.ytimg.com/vi/qwZypa0iKq8/sddefault.jpg)
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migraine headaches migraine causes migraine aura migraine symptoms migraines migraines with aura migraines explained light sensitivity hypothalamus hormones circadian rhythm brain brain activity blood flow trigeminal nerve cerebral cortex brain stem depression sleep disorders science biology health human body human brain Marianne Schwarz cub animation education animation TED TED-Ed Teded TED Ed Ted Education