He has long served in educational roles as well as in direct patient care roles. Now he devotes his time and talents to the devoted care of individuals. He is especially interested in preventative medicine, health maintenance, wellness, and healthy choices for living. He serves individuals with chronic illnesses as well as those with no illness. He aims to help individuals to know and to make healthy choices in all circumstances. The devoted care of individuals with diabetes mellitus, nutritional disorders, hypertension, kidney diseases, asthma, and other chronic illnesses is a special calling for Dr.Mahnensmith. But it is not the disease which calls is special care, it is the person. His calling is to serve and to serve well.