This has always been of interest to me. Lots of videos on NDE on Youtube. I find them comforting and and great material to learn from. Here is one.
There are tons of charlatans out there. Don't be a victim. https://www.monroeinstitute.org/ https://iands.org/
I have heard of the Monroe Institute and the Gateway process. If something has a process to it then it is not for me.
%% 100% sure plenty of healing + health is NOT limited to doctors+ hospitals. Having said that\ i like that book subject compiled by doctors. Plenty of stuff like ''that just tickled me to death'' -that really has little to do with death...... Proverbs 3:8,This will bring health to your body+ health [nourishment]to your bones. NIV, NCV. Can't really limit God to miracles or any man made box.LOL