"The significant interaction found between IQ and deprivation suggests that IQ in childhood is less important in terms of mortality for people who live in more affluent areas in adulthood than for ...

A new study has sparked serious concerns about the state of American intelligence. According to recent research, IQ scores across several cognitive domains have dropped significantly in the United ...

A rigorous nine-year research review looking at the relationship between fluoride and intelligence in children concludes that as fluoride levels rise, IQ drops. Every 1 part per million increase in ...