A brief explanation of the importance of primary health care is followed by a detailed description of the symptoms and treatment for malnutrition, in particular kwashiorkor, which is caused by protein deficiency.

This can contribute to specific study of health and malnutrition problems in the developing world. It helps specifically to link personal and national poverty to health problems. Compare population pyramids and consider the effect that different diseases have on specific age groups. Consider the sources for health care in the developing world and the factors that limit their efficacy, such as topography, infrastructure and conflict.