Migraine headaches are debilitating, and their triggers and underlying causes can be mysterious. Dr. Sanjay Gupta invites neurologist Alexander Mauskop, author of “The End of Migraines” to explain how migraines start and how to stop them.

0:00 How many people get headaches worldwide

6:23 The doctor’s ‘magical’ headache cure

9:58 When you need a headache specialist

16:19 Can Botox treat headaches?

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