What is the primary source of environmental exposure to mercury?

Updated: Nov 05, 2018
  • Author: David A Olson, MD; Chief Editor: Tarakad S Ramachandran, MBBS, MBA, MPH, FAAN, FACP, FAHA, FRCP, FRCPC, FRS, LRCP, MRCP, MRCS  more...
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The primary source of environmental exposure to mercury in the general population is through the consumption of contaminated fish. [50] Fish consumption has clear health benefits, and the risk posed by mercury exposure is currently speculative. The fetal brain is more susceptible to mercury-induced damage than that of an adult. As a result of this data, the Environmental Protection Agency (EPA) reduced the allowable intake of methylmercury from 0.5 mcg to 0.1 mcg of mercury per kilogram per day, which is lower than the amount allowable according to other regulatory agencies. [51]

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