A general introduction to the causes and mechanism of cancer, including skin cancer.
A description of the relative rates of urbanisation in rich and poor countries.
A favela community leader reflects on the problems of continued migration to Rio.
The physical and human factors affecting a country's development and quality of life.
Members of a typical Rocinha family describe their work and their thoughts on favela life.
The problem of malnutrition and kwashiorkor in the developing world.
The strategies used to manage and improve disease control.
The climactic and human factors affecting the distribution of malaria.
A look at Rio de Janeiro, the second largest city in Brazil, and the contrasts there.