PDR® stands for Physician's Desk Reference. It is a huge book that doctors use to look up any medication. The PDR® Family Guide to Nutrition and Health™ (© 1995 by Medical Economics Company [It is 800 pages]) says
"According to Dr. John Potter, director of the Fred Hutchinson Cancer Center in Seattle [he is an M.D., PhD and professor at U of WA], the best evidence today indicates that vegetables and fruits are the nutritional stars in prevention of most major types of cancer." He teaches epidemiology which is the study of causes, distribution and control of diseases in population. So he better know how to interpret studies. |