Jacques Gardon is a physician, senior researcher for IRD Institute, working since 2010 in the Hydrosciences laboratory at Montpellier University. He received a medical degree (1992) from the University of Montpellier and a PhD in Epidemiology (1997) from the University of Bordeaux. After a decade working in Africa on epidemiology of infectious diseases, he finally oriented his research on health impacts of metallic pollutions. Since 2004, he worked on mercury exposure of Amazonian populations, on sanitary impacts of polymetallic pollutions in mining cities of the Bolivian Altiplano and on human exposure to arsenic in different contexts. His goal is to participate in revealing the importance of relationships between environmental disturbances and health impacts in south developing countries.