'Shooting for unrealistic body types is harmful' According to National Eating Disorders Association, the International No Diet Day on May 6 encourages the rejection of diet culture. This movement, started by Mary Evans Jones in 1992, celebrates the importance of body acceptance, diversity, and respect for all body shapes and sizes. | 4 May 2021 5:15 AM GMT According to National Eating Disorders Association, the International No Diet Day on May 6 encourages the rejection of diet culture. This movement, started by Mary Evans Jones in 1992, celebrates the importance of body acceptance, diversity, and respect for all body shapes and sizes. The day is dedicated to promoting a healthy lifestyle with a focus on health at any size. It aims to eucate people about the right way to diet and not feeling guilty about indulging once in a while; create an acceptance of how your body looks and its uniqueness; and to end weight discrimination.