Mercury

You many not be into heavy metal music, but if you are a fish eater, heavy metals are in side you. The omega-3 fatty acids in big, deep-ocean fish are good for the heart, but the fresh of fish at the top of the pelagic food chain also tends to be laced with pollutants. Chief among them: mercury, which can increase the risk of heart disease. Should you fish or cut bait? So far it’s a draw, with two major studies coming to opposite conclusions. Until more studies are complete, doctors believe that the benefit of fish outweigh the risks, except for pregnant women and nursing moms,

who should avoid swordfish and shark to protect their babies from mercury exposure.