As humans put more mercury
into their air and water, it is passed on to wildlife, adding up two to
seven times on each rung of the food chain. Eating top sea predators
like sharks, swordfish and tunas passes the highest mercury amounts back
into human bodies.
To avoid mercury poisoning from fish consumption, consumers must know
if the seafood they are eating is high in mercury, limit the amount of
that type of seafood, and be sure they are not exposing developing
children to mercury. If exposure is stopped, mercury levels in blood
will drop to half within two months as the mercury is released from the
body. But continuing to consume mercury toxic food accumulates rising
mercury levels as people age.
http://www.examiner.com/article/stop-mercury-from-moving-up-the-food-chain
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