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E-M:/ PCBs and immune suppression



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Enviro-Mich message from "David Zaber" <dzaber@chorus.net>
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Folks,

PCBs have once again been associated with adverse health effects in mammals.
This time, it involves marine mammals and immune suppression.  Read about it
at:  http://www.newscientist.com/ns/19991218/newsstory1.html

Here's a snippet from the story:

"Is pollution leaving porpoises vulnerable to killer diseases? It seems so,
now that researchers in London have found the strongest evidence so far
linking the contamination of harbour porpoises by polychlorinated biphenyls
(PCBs) to deaths from infectious disease.  PCBs have long been suspected of
damaging the immune systems of whales and dolphins (New Scientist, 1 July
1995, p 12)."

Didn't Russ Harding just overrule a bunch of the folks at DEQ and allow PCBs
to remain in sediments in contact with Great Lakes waters?  If not whales
and dolphins, then mink and terns...

Thanks Russ.

David J. Zaber
Western Lakes Wildlife Center
dzaber@chorus.net


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