Margaret A.WinkerMD, Deputy EditorIndividualAuthorPhil B.FontanarosaMD, Interim CoeditorIndividualAuthor
To the Editor: Dr Davidson
and colleagues1 reported no significant association between
neurological developmental deficits and gestational exposure to MeHg in
their Seychelles study. They largely dismiss the relevance to US
consumers of positive associations observed in a similar study in the
Faroe Islands2 and suggest that fish consumption advisories
for ocean fish in US markets are not warranted. They postulate
different exposure patterns as a likely explanation for contradictory
findings, with Faroese episodically consuming pilot whale with high
concentrations of MeHg (1.6 ppm) and Seychellois regularly consuming
fish with lower concentrations. We call attention to several issues
regarding exposure patterns and metrics.
Stern AH, Gochfeld M. Effects of Methylmercury Exposure on Neurodevelopment. JAMA. 1999;281(10):896–897. doi:10-1001/pubs.JAMA-ISSN-0098-7484-281-10-jac90000
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