Dr. James E. Enstrom was a research professor at the University of California, Los Angeles, School of Public Health and Jonsson Comprehensive Cancer Center when this was written. ​Enstrom received his BS in physics from Harvey Mudd College; his PhD from Stanford University; and his MPH and postdoctoral certification in epidemiology in 1976 from the University of California, Los Angeles.  He has been a faculty member at UCLA since 1976 and Fellow, American College of Epidemiology since 1981. Enstrom is President of the Scientific Integrity Institute, an independent organization that he established to deal with important and controversial matters related to epidemiological research and scientific integrity.