For decades, a persistent worry has trailed the fluoride added to American tap water: What if it quietly damages children’s brains? A study spanning more than 50 years of data now offers one of the ...

Fluoride is a common natural element found in water, soil, rocks and food. For the past several decades, fluoride has also been a cornerstone of dentistry and public health, due to its ability to ...

A study published in Nature Communications in January 2026 found that general intelligence does not reside in any single brain region but instead arises from the coordinated activity of networks ...

Researchers have linked spending more time playing video games with a boost in intelligence in children, which goes some way to contradicting the narrative that gaming is bad for young minds. While ...

A controversial new study out Monday in a US medical journal could reignite debate over fluoride's safety in water, linking higher exposure levels to lower IQ in children. Published in JAMA Pediatrics ...

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 ...