Robert Oldham Young (born March 6, 1952) is an American naturopathic practitioner and author of alternative medicine books promoting an alkaline diet. His most popular works are the "pH Miracle" series of books, which outline his beliefs about holistic healing and an "alkalarian" lifestyle.Young came to prominence after appearances on The Oprah Winfrey Show featured his treatment of Kim Tinkham for breast cancer. Tinkham and Young both claimed that he had cured her, but she died of her disease shortly afterward. He was arrested in January 2014 and convicted in 2016 on two out of three charges of theft and practicing medicine without a license. He spent several months in jail in 2017.