Yes I too subscribe to these theories (or in my beliefs, facts).
Deepak Chopra, Wayne Dyer and Caroline Myss etc talk alot about this subject. It is fascinating.
I would say that your biography is also your biology, and therefore the state of the mind and body are interconnected. Healing candida for me has been about so much more than just trying to rid myself of parasites. Much good has come from it and no doubt will continue to.