American IQ test scores have dropped during a recent 13-year period, a remarkable finding that runs counter to the well-established trend of increasing IQ scores throughout much of the 20th century.
A version of this essay first appeared in Jess Steier’s newsletter, “Unbiased Science.” Fluoride is having a rough day in the court of public opinion. The National Toxicology Program (NTP), part of ...
About 209 million Americans receive fluoridated water in their taps, according to the Centers for Disease Control and Prevention. (Jim Cole / Associated Press) A new report linking fluoridated ...
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There’s a Scary Study About Fluoride and Children’s IQ Going Around. Here’s What It Really Means.
Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. Fluoride is one of the most interesting ...
Communities started adding fluoride to the water supply in 1945. But now, a new analysis finding a potential link between added fluoride and lower IQs in children is causing concern. The National ...
IQ scores have substantially increased from 1932 through the 20th century, with differences ranging from three to five IQ points per decade, according to a phenomenon known as the 'Flynn effect.' But ...
A rigorous nine-year research review looking at the relationship between fluoride and intelligence in children concludes that as fluoride levels rise, IQ drops. Every 1 part per million increase in ...
The findings come after Utah and Florida’s ban on fluoride in public drinking water went into effect during the summer.
This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. Having a lower IQ has been linked in studies with smoking and heart ...
Jack has a degree in Medical Genetics from the University of Leicester.View full profile Jack has a degree in Medical Genetics from the University of Leicester. A new study has highlighted just how ...
For as long as intelligence has been studied, we’ve been told that our raw IQ is mostly a genetic hand-me-down. Sure, we've learned how to sharpen the knives we were handed and increase our “effective ...
A new study’s findings suggest Covid-19 could have longer-term effects on cognition and memory that lead to measurable differences in cognitive performance, The Washington Post reported. The study was ...
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