Before rushing to make salmon a staple of a heart-healthy diet, consumers should check the origin of their fish supply, a new study recommends. Researchers found that the contaminant levels in farmed salmon from certain regions of the world increased the risk of cancer enough to outweigh the heart health benefits of salmon. Farmed salmon from South America had the lowest level of pollutants followed by farmed salmon from North America. Salmon from Europe had the highest level of pollutants.

Read (AP via WTOP)