Have you seen, "Fat,sick, and nearly dead"?
A great documentary by an Australian man who came to the USA and changed the lives of folks who indeed were indeed representative of the above. I have been on a semi-fasting regimen of "Juicing", and while I'm not fat, the difference has been amazing, my headaches are gone, blood pressure down to normal, I feel energised and better than I have in over 20 years. Some "food" for thought.