Blog John Duttenhaver, M.D. Radiation Oncologist Posted on March 13, 2015 by Sapelo Skin Care in: Videos Dr. Duttenhaver on skin cancer, ultra violet sun exposure and the healing process of healthy skin. Get Free Email Updates!Signup now for Sapelo email news and offers! I will never give away, trade or sell your email address. You can unsubscribe at any time.