Health on MSN

What is the average IQ—and what your score actually means

Medically reviewed by Dakari Quimby, PhD The average IQ score is designed to be 100.IQ scores between 90 and 109 are considered average.Genetics accounts for about 50% of the IQ differences between ...
Los Angeles Times

What a new study does — and doesn’t — say about fluoride and its link to IQ

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 ...