Headaches come form many different sources and the reason why there is no one, single, remedy.  Headaches fall into several categories, these categories include: ** Sinus Headache ** Digestive / Indigestion Headache ** Allergy Headache ** Poor Circulation Headache ** Liver Headache ** Ears and Phlegm Headache ** Toxin Headache ** Weakness / Insomnia Headache…