Dr. Nancy Appleton Author Nancy Appleton explains how sugar upsets body chemistry Author Nancy Appleton explains how sugar upsets body chemistry and devastates the immune system, leading to a host of diseases - including hypoglycemia, diabetes, osteoporosis, arthritis, cancer, heart disease, tooth decay, and more. David Deida Interview with David Deida, author and provocative spiritual teacher David Deida, author and provocative spiritual teacher, continues to revolutionize the way that men and women grow spiritually and sexually.