Letters Communicating risk BMJ 2003; 327 doi: https://doi.org/10.1136/bmj.327.7428.1403-c (Published 11 December 2003) Cite this as: BMJ 2003;327:1403 Article Related content Metrics Responses Peer review Related articles Education And Debate Simple tools for understanding risks: from innumeracy to insight Published: 25 September 2003; BMJ 327 doi:10.1136/bmj.327.7417.741