http://articles.mercola.com/sites/articles/archive/2004/01/21/salmon-cancer.aspxScientists from the United States warn that farm-raised salmon have significantly higher levels of toxins, such as PCBs, than wild salmon. The most contaminated fish came from Scotland and the Faroe Islands, and researchers noted that concentrations ofenCommunityServer 2008.5 SP1 (Build: 31106.3070)