Ouch: 10 Odd Causes of Headaches

  

Headache Triggers: 

No one knows exactly what causes migraines, but when the painful attacks happen, those afflicted must pull down the blinds, cover their heads and wait for the pounding to pass. Some people see flashing lights and get nauseated, while others only get a throbbing head pain.

But while the roots of the disease are mysterious, there's no shortage of factors that can cause the painful headaches. From red wine and sex to lightning, here are 10 surprising triggers for migraines.

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