One's deep seated emotional, mental and soulful state of awareness determines a great deal. Especially the manifestations of physical health.
"This Video Will Hurt": Nocebos
CGP Grey (7 minutes)-
https://youtu.be/O2hO4_UEe-4
Is there scientific proof we can heal ourselves? Do things that make you smile. (19 minutes)
TEDx Talks
https://youtu.be/LWQfe__fNbs
The shocking truth about your health & a wellness model
TEDx Talks (18 minutes)
https://youtu.be/7tu9nJmr4Xs
Loneliness: The #1 Public Health Issue Doctors Aren't Talking About (19 min.)
TEDx Talks
https://youtu.be/s2hLhWSlOl0
Lissa Rankin: "Mind over matter", Playlist-
http://www.youtube.com/playlist?list=PL2tn9rHAzzyFQXAwXZtoRaNzmmbRNnSCI
Best of all:
On a related topic, Near Death Experiences, and miraculous healings:
"Dying to be me! Anita Moorjani"
TEDx Talks (18 minutes)-
https://youtu.be/rhcJNJbRJ6U