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Wed Mar 18, 2015, 04:11 PM

Water Fluoridation Linked to Higher ADHD Rates [View all]

http://www.newsweek.com/water-fluoridation-linked-higher-adhd-rates-312748

BY DOUGLAS MAIN 3/10/15 AT 2:44 PM

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The study, published in the journal Environmental Health, found that states with a higher portion of artificially fluoridated water had a higher prevalence of ADHD. This relationship held up across six different years examined. The authors, psychologists Christine Till and Ashley Malin at Toronto’s York University, looked at the prevalence of fluoridation by state in 1992 and rates of ADHD diagnoses in subsequent years.

“States in which a greater proportion of people received artificially-fluoridated water in 1992 tended to have a greater proportion of children and adolescents who received ADHD diagnoses [in later years], after controlling for socioeconomic status,” Malin says. Wealth is important to take into account because the poor are more likely to be diagnosed with ADHD, she says. After income was adjusted for, though, the link held up.

Take Delaware and Iowa, for instance. Both states have relatively low poverty rates but are heavily fluoridated; they also have high levels of ADHD, with more than one in eight kids (or 14 percent) between the ages of four and 17 diagnosed.

In the study, the scientists produced a predictive model which calculated that every one percent increase in the portion of the U.S. population drinking fluoridated water in 1992 was associated with 67,000 additional cases of ADHD 11 years later, and an additional 131,000 cases by 2011, after controlling for socioeconomic status.

“The results are plausible, and indeed meaningful,” says Dr. Philippe Grandjean, a physician and epidemiologist at Harvard University. This and other recent studies suggest that we should “reconsider the need to add fluoride to drinking water at current levels,” he adds.

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G_j Mar 2015 OP
uppityperson Mar 2015 #1
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pnwmom Mar 2015 #24
kcr Mar 2015 #37
Brother Buzz Mar 2015 #3
DefenseLawyer Mar 2015 #11
ismnotwasm Mar 2015 #34
Major Nikon Mar 2015 #5
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JDDavis Mar 2015 #6
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G_j Mar 2015 #9
ismnotwasm Mar 2015 #35
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G_j Mar 2015 #22
pnwmom Mar 2015 #26
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