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Contact me at Mom25dogs@gmail.com

Wednesday, March 21, 2012

"Mad As A Hatter"

Mad As A Hatter - "The Journal of the American Medical Association" (vol. 155, no. 3). Mercury used to be used in the manufacture of felt hats, so hatters, or hat makers, would come into contact with this poisonous metal a lot. Unfortunately, the effect of such exposure may lead to mercury poisoning, one of the symptoms of which is insanity.

1 comment:

Cat said...

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