Virtual reality has obvious applications. Among them, practical training in medical field is obvious and really important. Indeed, when you are learning, for instance, to do surgery, you don't have that many option ... at a moment or another you will have to practice yourself on a human patient. And somehow, we would all like to not be this patient. So, using virtual reality tools to practice is a reasonable idea.
Banerjee A, Bancil AS (2011) Virtual reality simulation: the future of medical training. Med Teach, 13:172.
Well, the idea is not new: since a decade already people have been trying to do so.
Lange T, Indelicato DJ, Rosen JM (2000) Virtual reality in surgical training. Surg Oncol Clin N Am, 9:61-79.
Mantovani F, Castelnuovo G, Gaggioli A, Riva G (2003) Virtual reality in training for health-care professionals. Cyberpsychol Behav, 6:389-395.
Just now, the technology is getting more and more mature.