Here is Dr Strydom, website click on link

Dr. Gerson findings, documentary

https://youtu.be/SKh36punHoU

One needs to understand that the Mind rules over all , what I mean is that one can do healthy diet/lifestyle but with little or no success, until we look at things like thoughts eg angry ,bitter, unforgiving, offence. We need to resolve the mind eg forgive or have gratitude. etc Then all the other things will work eg lifestyle ,diet etc…