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Harvard Study Confirms Fluoride Reduces Children's IQ

Original post made by Pro Choice on May 13, 2013

A recently-published Harvard University meta-analysis funded by the National Institutes of Health (NIH) has concluded that children who live in areas with highly fluoridated water have "significantly lower" IQ scores than those who live in low fluoride areas.
Web Link
A recent report from the U.S. National Research Council (NRC 2006) concluded that adverse effects of high fluoride concentrations in drinking water may be of concern and that additional research is warranted. Fluoride may cause neurotoxicity in laboratory animals, including effects on learning and memory ...

Palo Alto should stop water fluoridation, people should have a choice.

Comments (8)

Posted by Interesting, a resident of Barron Park
on May 14, 2013 at 10:04 am

Note that this IQ correlation was in groups exposed to very high levels of fluoride (up to over 10x the recommended level in US drinking water). The study also admits that more research needs to be done looking at the safety and benefits specifically at the levels in US drinking water supplies.

So, not quite a smoking gun, but definitely not an "everything's OK" confirmation either.


Posted by Alcoa, a resident of Green Acres
on May 14, 2013 at 10:06 am

I hear it's all a commie plot....


Posted by curmudgeon, a resident of Downtown North
on May 14, 2013 at 12:20 pm

"The standardized weighted mean difference in IQ score between exposed and reference populations was –0.45..."

Golly gee, a -0.45 point weighted mean effect. At the genius IQ level, that's -0.30%. And from no less than a genuine meta-analysis.

Call up the Marines! Declare martial law! Surround the reservoirs!


Posted by Alcoa, a resident of Green Acres
on May 14, 2013 at 12:49 pm

oh, for the win on the Harvard/IQ issue, Jason Richwine went to Harvard, long before his immigration paper for Heritage.

You know, the immigrants (of color) have lower IQ than 'Muricans! paper, that Heritage released last week.

Richwine's 2009 Harvard doctorate dissertation "IQ and Immigration Policy," which argued that on average immigrants to the U.S., particularly Hispanic immigrants, have lower IQ scores than "the white native population." " Web Link


Posted by Well, well, well, a resident of Palo Alto High School
on May 14, 2013 at 2:30 pm

Well, I think we have to co sider the source here, and having considered it, found it unreliable and biased.


Posted by Adobe, a resident of Adobe-Meadows
on May 15, 2013 at 8:35 am

Alcoa, yeah, we can't just sit back amidst the international Communist conspiracy to sap and impurify all of our precious bodily fluids!


Posted by Solon, a resident of Old Palo Alto
on May 15, 2013 at 10:55 am

Headline is wrong, a journalistic sin. Correlation is not causation.
And group results do not necessarily imply it is true for any any individual.

Weeks the experimental mammalian data?
Canyon trust an academic with an ideological cause,and given a grant from a govt or foundation with an ideological cause, then it is published in the journal of ideological "causes?"

What it the name of one person this is true of? Where is the case study?

Brown eyed children have higher I Q than blue eyed children, right? Or is it the opposite? Well, it must e one way or the other! So then this is because .......


Posted by Anonymous, a resident of Another Palo Alto neighborhood
on May 15, 2013 at 1:17 pm

Did you actually read this paper? This paper did a meta-statistical analysis of 27 epidemiological studies of high fluoride, usually from well water or coal mining contamination. 26 of the studies were from Western China and one from Iran. The fluoride levels were very high.

It's hard to draw conclusions about U.S. water fluoridation from this paper.


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