This session gathers scientific contributions about the effects on the human health of exposure to geological materials lato sensu. The geochemical approach, often focused on processes occurring in natural interfaces, is here applied to the recognition and explanation of phenomena occurring between geological materials and typical interfaces of the human body. This session welcomes presentation of research that discusses the application of geochemical principles, methods and instrumentation to the study of human health. We especially welcome contributions that focus on the unique relation between geochemistry and the diagnosis, treatment, inception and/or progression of disease. The innovative leit-motif of this session centres on the unique perspectives and approaches applied by geochemists and their potential contributions to human health-related research.