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 ...

New research complicates the old consensus that IQ is largely fixed, and that's good news for anyone looking to boost their ...

A recent study of cognitive analyses says the average intelligence quotient, or IQ, in the United States is about 98.

New research suggests that education can raise IQ by up to 15 points—even among identical twins—challenging determinism and revealing intelligence to be more malleable than we once believed.

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 ...

The debate about the benefits and risks of fluoride is ongoing, as RFK Jr. — incoming President Trump’s pick for HHS secretary — pushes to remove it from the U.S. water supply. "Fluoride is an ...

A new study that analyzed 9,855 American children first at ages 9-10, and then again two years later, has unusually taken great pains to account for both genetic differences in intelligence as well as ...

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 ...