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 ...

A new report linking fluoridated drinking water to lower IQ scores in children is sure to ratchet up the debate over a practice that’s considered one of the greatest public health achievements of the ...

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 ...

If you search for the highest IQ on record, you will likely encounter the number 228, attributed to columnist Marilyn vos Savant, or the number 230, attributed to mathematician Terence Tao. However, ...

ATLANTA — A recent study of cognitive analyses says the average intelligence quotient, or IQ, in the United States is about 98. According to the study by NCHStats, based on data from MedicineNet, when ...