Virtual reality is basically an artificial environment which is created with the help of software and presented to the user in such a way that the user gets convinced and accepts it as a real environment. The aim of this book is to give an elucidative account on the modern applications, advancements and trends of virtual reality technologies in the disciplines of pedagogy, psychology and medicine. Analyses reflect that individuals in educational as well as in the medical therapeutic domains have increasing expectations that present-day media be employed in the corresponding demand and supply systems. For the Internet and several other mobile media, related application and research projects have now started using key words like E-Mental Health and E-Learning or M-Mental Health and M-Learning. The purpose of this book is to contribute to the present state of the corresponding efforts being made for the advancement of this promising technology. It has been compiled in a manner to provide an overview and propel further research on particular projects with the hope of providing practitioners and scientists from these disciplines with a desire to accomplish further development, assessment and implementation of different virtual reality scenarios in the sectors of health and education.