Headache – Learn About Its Causes and RemediesWhat is the cause of the headache?There can be several causes of headaches. Some of the more likely causes of headaches are stress and fatigue, tension, eye strain, dehydration, low blood sugar, migraine, viral infection, musculoskeletal conditions, hyper-mastication and sinusitis. In rare cases, headache could be a result of certain life-threatening conditions such as brain tumours, meningitis, encephalitis, cerebral aneurysms and extremely high blood pressure. Headache can also occur because of head injury. Erratic changes in estrogen levels during menstrual years may also cause headaches in some women.Tension headacheTension headache is one of…