Are Contaminants Silencing Our Genes?
http://www.scientificamerican.com/article.cfm?id=silencing-genes-chemical-contaminants-cancer-diabetes
http://www.scientificamerican.com/article.cfm?id=silencing-genes-chemical-contaminants-cancer-diabetes
"Some chemicals may leave people vulnerable to diseases like cancer and diabetes not by mutating genes, but by turning them off or on at the wrong time."
