Firmin Kouassi is Professor-Researcher at the Institute of Anthropological Sciences of Development at the University Felix Houphouet-Boigny of Abidjan (Ivory Coast). His work focuses mainly on the study of human in his natural environment, such as rural-urban differences or in the anthropo-epidemiological field with the effects of nutritional differences, health, exposure at risks, and anthropological biological (demic) and cultural or ethnic characteristics ... One of the major issues of his research is to test the resilience of societies to change.