Average IQ varies depending on geographic location, resource access, and much more.

Guest post by Jason Major, a PhD candidate in Psychology at the University of Edinburgh. He is from Ottawa, Canada. About a month ago, Sanjay Srivastava, a psychologist at the University of Oregon, ...

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 ...

An analysis of more than 70 studies on fluoride and IQ levels concluded there was a relationship between higher levels of the common water additive and lower IQ levels in children, though a large ...

While many people praise a person’s intelligence and craft high IQs as inherently superior, there are a number of skills that low-IQ people and performers do incredibly well, from creativity to ...

A person's IQ during high school is predictive of alcohol consumption later in life, according to a study by UT Southwestern Medical Center researchers published in Alcohol and Alcoholism.