Focusing on health issues in developing countries, this journal presents information about diarrhoeal diseases and related health problems. The journal is divided into the following sections: (1) "Intestinal Absorption of Water and Electrolytes"; (2) "Diagnosis of Infectious Diarrhoea"; (3) "Hydration and Dehydration"; (4) "Diet and Diarrhoea"; (5) "Home Treatment of Diarrhoea"; (6) "Treatment of Dehydration"; (7) "Prevention of Diarrhoea"; and (8) "Special Cases" (dysentery, persistent diarrhoea, fever and diarrhoea, diarrhoea and AIDS, management of cholera patients, and vaccines). Appendices include treatment plans for diarrhoea and dehydration, a plan for quickly treating severe dehydration, a child growth chart and information for determining if a child is undernourished, as well as guidelines for managing problems associated with diarrhoea. (MM)