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Old 01-24-2016, 03:38 PM
caroline2 caroline2 is offline
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Join Date: May 2015
Location: Santa Monica, CA
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caroline2 caroline2 is offline
N/A
 
Join Date: May 2015
Location: Santa Monica, CA
Posts: 3,313
8 yr Member
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I got to thinking about this deeper today and thought it went back to the 1940's, not so the 1900's or earlier to what it all has evolved to in 2016.

http://www.fluoride-history.de/

Now I understand the U.S. imports from China for our water supplies.
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