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 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 ...

(WTNH) — A new study has found that high levels of fluoride in the water can affect IQ levels of children before they are even born. Researchers looked at nearly 500 sets of mothers and children in ...

Is America getting dumber? That’s the burning question after a new study reveals a troubling trend: American IQ scores have ...