Im searching info about what is psichical healing maximum possibilities and how to archieve them <3

Hey Guys , ive been thinking about real shit in this world its our psichical body , we all have deseases , umm health related problems , stomack , sometimes head , eyes and e.t.c. and there is so much people who is in need of fast healing , and that could saved up their lives and change it for the better , so im trying to underestand maximum which is possible and boundaries of it . Please feel free to share your knowledge , experience or anything related to it , im really thankfull and gratefull to be part of wwhat is happening in the world and to be able to make it better for everyone !

If your truly interested I like hands of light by Barbara ann brenan