pt. I. Disease and environment -- pt. II. Refined carbohydrate foods -- pt. III. Refined carbohydrate foods in the gastrointestinal tract -- pt. IV. Diseases of the large intestine -- pt. V. Other diseases associated with constipation and straining at stool -- pt. VI. Other disorders related to refined carbohydrate foods -- pt. VII. Duodenal ulcer and diet / Frank Tovey -- pt. VIII. Some diseases characteristic of western civilization prevalent in wild and domestic animals / Robert Leader and David Hayden -- pt. IX. Disorders of unknown aetiology showing certain epidemiological associations / Hugh Trowell -- pt. X. Concluding considerations / Hugh Trowell and Denis Burkitt