Virtual Heart: How engineering is helping medicine
23 May 2014 Last updated at 00:29 BST
Sheffield is becoming a centre for a practice called "in silico" medicine, a project to map the human body in software.
Using modelling techniques from the field of engineering, it aims to improve diagnosis, treatment and clinical trials.
Rory Cellan-Jones spoke to Dr Paul Morris, of the Medical Physics Group at the University of Sheffield, to find out more about how it works.