<p>There is a steady stream of articles and books about 'miraculous' cures from the chronic illnesses that face us in the 21st century: autoimmune conditions such as lupus and rheumatoid arthritis; neurodegenerative diseases, such as Parkinson's, MS and Alzheimer's; and many cancers. But if all these individual cases are brought together and reviewed systematically, something much more practical and less miraculous emerges ? a set of principles t...