The head and neck region is the location of 4 of the 5 major senses: hearing, sight, smell and taste. As such, conditions that affect the head and neck region may result in significant symptoms that may disable those senses and negatively impact your quality of life. We have included information on some of the most common disorders affecting the head and neck region and invite you to investigate further. This information is an overview only and is not comprehensive. The information provided is not intended to be a substitute for seeking the advice of your physician.