It is possible for your ideas to cause chemical reactions that impede your body's ability to accept nourishment. If you believe that the body is evil, the purest health-food diet will or may do you little good at all, while if you have a healthy desire and respect for your physical body, a diet of TV dinners, and even fast foods, may well keep you healthy and nourished.

p. 259 - The Way Toward Health, (1997)