A guide to clean eating outlines a diet and exercise program for minimizing unhealthy processed foods as part of a lifestyle practice for weight loss, disease prevention, and overall better health, citing the importance of not eliminating food groups and meeting nutritional needs. Smith outlines a diet and exercise program for minimizing unhealthy processed foods. He emphasizes eating natural foods as part of a lifestyle practice for weight loss, disease prevention, and overall better health. The importance of not eliminating food groups, and meeting nutritional needs, is stressed.