TY - JOUR T1 - Language matters: the ‘digital twin’ metaphor in health and medicine JF - Journal of Medical Ethics JO - J Med Ethics SP - 409 LP - 409 DO - 10.1136/medethics-2021-107517 VL - 47 IS - 6 AU - Deborah Lupton Y1 - 2021/06/01 UR - http://jme.bmj.com/content/47/6/409.abstract N2 - In his Feature Article ‘Represent me: please: Towards an ethics of digital twins in medicine’1, Mattias Braun considers several important bioethical issues in relation to the use of digital twin simulations in health and medical contexts. He focuses on the ways these simulations are used or are proposed to be deployed in these domains, including to what extent they are a ‘true’ or ‘real’ representation of human bodies. In this response, I want to take a step back and delve into the metaphor of the ‘digital twin’. I consider the implications of using this metaphor in the context of medical care and how this choice of language participates in what science and technology scholars term the ‘sociomaterial imaginaries’ that are used to support and promote novel technologies.2 Language is important. It matters. The choice of language is both symbolic and persuasive. It intervenes in political and policy debates and research and healthcare funding decisions.2 It has material effects and affects: to some of which Braun has gestured in his piece. The … ER -