Farm families could be seen as the canaries in the coal mines: they are exposed to higher levels of pesticides and herbicides than the rest of us. How do these compounds affect their health? What are the risks of cancer or Parkinsons disease associated with agriculture? And what does it mean for the rest of us? Guests: Michael Alavanja, DrPH, Senior Cancer Epidemiologist, National Cancer Institute; Principal Investigator and Project Officer, Agricultural Health Study Chuck Lynch, MD, PhD, Medical Director, Iowa Cancer Registry; Professor of Epidemiology and Pathology, College of Medicine, University of Iowa