May not be the exact article about said topic, but it's some extra info:
http://www.cnn.com/2004/HEALTH/02/10....ap/index.html
Ugh. Is everything tainted? IMO there's simply no respect for what we eat. I know it sounds silly, but we should at least take better care of the things we harvest and use. Mother Earth can't do it alone. She needs human help and a little respect goes a long way.