Sunday, December 27, 2009

What is Headache and what are the causes of headaches?

I've been suffering headaches since I was still in the third level. Until now sometimes these headache disturbs me. I've been researching for the causes of Headaches.
What is Headache?
According to that headache is a pain in the head or in the upper neck.
What are the Causes of Headache?
As I have researched from different sources, here are some common causes of headaches

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