The IQ levels of young people have been steadily falling for the past few decades, according to new research. The decline is believed to have begun following the generation born in 1975, and indicates ...

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 ...

An analysis of more than 70 studies on fluoride and IQ levels concluded there was a relationship between higher levels of the common water additive and lower IQ levels in children, though a large ...

The current study of the effect of lead on cognition concludes that a total of 824,097,690 million IQ points were lost because of childhood lead exposure among the US population by 2015, an average of ...

A new study has found that teenagers with a high IQ are more likely to be liked by peers, but also like fewer people. Researchers found that teens with a higher IQ liked significantly fewer peers than ...

A federal report this week linked high levels of fluoride in other countries to lower IQs in children, adding new evidence in the long-simmering debate over adding fluoride to public drinking water ...

Guest post by Jason Major, a PhD candidate in Psychology at the University of Edinburgh. He is from Ottawa, Canada. Guest post by Jason Major, a PhD candidate in Psychology at the University of ...

Guest post by Jason Major, a PhD candidate in Psychology at the University of Edinburgh. He is from Ottawa, Canada. About a month ago, Sanjay Srivastava, a psychologist at the University of Oregon, ...