Roland Littlewood is Professor of Anthropology and Psychiatry at UCL. He is a former president of the RAI and has undertaken fieldwork in Trinidad, Haiti, Lebanon, Italy and Albania, and has published eight books and around 200 papers.Rebecca Lynch is a Research Fellow in Medical Anthropology at the London School of Hygiene and Tropical Medicine (LSHTM). Her work crosses the intersection of medicine and religion and she has published on cultural and scientific constructions of health, the body and morality. She has conducted fieldwork in Trinidad and the UK and is a Research Associate at Lucy Cavendish College Cambridge.