headache causes

Uncover the surprising factors making St. Louis a migraine hotspot on Bellabuzz.com.

Headaches. If you're a headache sufferer, that one word is enough to evoke some sort of empathetic reaction to anyone who utters it. Depending upon which type of headache you're experiencing, a headache can be debilitating. What causes a headache and what can you do to help alleviate one?