Abstract: In one aspect, a system 10 for analysing a body 14 using a device 12 is disclosed. In one arrangement and embodiment, the device 12 comprises: a controller 18; storage 20 storing electronic program instructions for controlling the controller 18; and an input means. In one form, the controller is operable, under control of the electronic program instructions, to: receive input via that input means, the input comprising at least one representation of the body 14; process the input to conduct an analysis of the body 14 and generate an output on the basis of the analysis, the processing comprising using a database 40; and communicate the output via a display 22. In an embodiment, the output comprises an estimation of an individuals three-dimensional (3D) body shape and associated body measurements, composition and health and wellness risks from a representation comprising human imagery.