Disturbingly high levels of toxic metals (mercury, lead, cadmium, aluminum) were recently found in the blubber of sperm whales. The scientists were so disturbed by the alarming results that they worry about the fate of the whales, as well as the populations of people who rely on fish as a food source. (http://www.cbsnews.com/stories/2010/06/24/tech/main6614750.shtml)
Sperm whales are on the top of the food chain, just like humans, so they can accumulate toxins. Although a good a source of protein and omega 3 fatty acids, I am concerned about the regular consumption of fish because the toxic metals, mostly mercury, can bioaccumulate in people. I believe that most fish are just too polluted and therefore can cause significant health problems when included regularly in the diet.
Sperm whales are on the top of the food chain, just like humans, so they can accumulate toxins. Although a good a source of protein and omega 3 fatty acids, I am concerned about the regular consumption of fish because the toxic metals, mostly mercury, can bioaccumulate in people. I believe that most fish are just too polluted and therefore can cause significant health problems when included regularly in the diet.
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