By Malinda Klosterman Pills are usually about the only thing that headache sufferers can take for relief. When people suffer from chronic headaches, they often feel as though they are constantly taking pills that frequently have side effects and are fairly pricey considering the temporary relief they provide. There are many times when people know exactly what is causing their headaches, whether this is sleeplessness, too much caffeine or stress among other things. Other people, however, have no idea of what the source of their headaches might be. A lot of headaches, in fact the majority, are...