On October 6, 2020, Dr. Brennan Spiegel released his book titled 'VRx: How Virtual Therapeutics Will Revolutionize Medicine,' which is an amazing survey of different applications of what could be called virtual medicine, experiential medicine, digiceuticals, or cyberdelics. The FDA is calling it Medical XR (MXR), and they're recognizing it as an entirely new field of medicine that needs special regulatory considerations.