Mary-Ellen Siegel, LCSW, a social worker, is a faculty member of the Mount Sinai School of Medicine in New York. She has written several books, including Safe in the Sun, Feeling Dizzy, Behind the 8-Ball, and Beyond Companionship: Dogs with a Purpose. Gray Williams, Jr., is the co-author of books about temporomandibular joint (TMJ) disorders, dental care, and chronic pain, as well as the original edition of this book on shingles.

Mary-Ellen Siegel, LCSW, a social worker, is a faculty member of the Mount Sinai School of Medicine in New York. She has written several books, including Safe in the Sun, Feeling Dizzy, Behind the 8-Ball, and Beyond Companionship: Dogs with a Purpose. Gray Williams, Jr., is the co-author of books about temporomandibular joint (TMJ) disorders, dental care, and chronic pain, as well as the original edition of this book on shingles.

Mary-Ellen Siegel, LCSW, a social worker, is a faculty member of the Mount Sinai School of Medicine in New York. She has written several books, including Safe in the Sun, Feeling Dizzy, Behind the 8-Ball, and Beyond Companionship: Dogs with a Purpose. Gray Williams, Jr., is the co-author of books about temporomandibular joint (TMJ) disorders, dental care, and chronic pain, as well as the original edition of this book on shingles.