http://articles.mercola.com/sites/articles/archive/2002/04/20/pcb.aspxThe results of a new study suggest that high levels of specific PCBs may be linked to breast cancer. Some persistent environmental contaminants that accumulate in the body of women with age and are similar in structure to dioxin may be a risk factor forenCommunityServer 2008.5 SP1 (Build: 31106.3070)