According to medical archives, Dr. Hull discloses in the Richardson Cancer Prevention Diet that cancer and other degenerative diseases can be prevented using fundamental nutrition and proper vitamin and mineral supplementation. Dr.Hull learned through her curing her own illness that curing disease can be very challenging. Modern humans are becoming more diseased at younger ages, and in the Richardson Cancer Prevention Diet, she shares with the reader the knowledge she learned when she cured herself of an "incurable" disease.