1921. Contents: The writer's experience with Catarrh, earlier efforts to find a cure; The writer's experience with Fasting to cure Catarrh; Conclusions from the result of Fasting for Catarrh, and a Discussion of the Cause of Disease; Tumors and Cancer; Length of Fast; Water Drinking, The Enema, Laxatives and Bathing during a Fast; Indications of the End of the Fast; Dangers met in Fasting; The Natural Diet of Man; More on the Germ Theory and Vaccination; and Eye Diagnosis.