Disease Control Priorities in Developing Countries, 2nd edition
Scroll down and click on "Chapter 44. Prevention of Chronic Disease by Means of Diet and Lifestyle Changes". Then, under the heading "Chronic Disease Prevention", read the subsection "Eat a Healthy Diet" and the section "Potential of Dietary and Lifestyle Factors to Prevent Chronic Diseases".
Click https://www.ncbi.nlm.nih.gov/books/NBK11728/ link to open resource.