By Bernice Terry Most people do not go to the emergency room when they have a minor headache, cold or what others would consider to be a small illness or injury. They definitely do not want to go to an emergency room where there will be people with much more serious conditions. Instead, a better choice would be to visit a walk in clinic Tucson has to offer. These places will serve the healthcare needs of the residents of Tucson and those who are visiting this beautiful city. In these clinics, the doctors are professional physicians who will...