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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Leaded gasoline was banned in 1996, but contributed to risky levels of lead exposure in the decades prior.Marco Bello/Reuters Up ...

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 ...

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 ...

It seems that scientists are on the verge of revolutionizing how doctors diagnose and treat early stage Alzheimer’s. Earlier this year, a group of researchers reported a detectable urine odor ...

A new study turned to Arctic ice core records between 500 BCE through 600 CE to find a link between lead pollution and widespread health decline in the Ancient Roman Empire, which most likely lowered ...