Tag Archives: general intelligence

Threats to IQ

We have already discussed lead as a cause of diminished general intelligence among the population. However, there are many more substances that have an negative effect on people’s IQ. ScienceDaily has the following report:

Flame retardants and pesticides overtake heavy metals as biggest contributors to IQ loss

Continue reading Threats to IQ

Air pollution one more time

ScienceDaily reports of a Spanish study that shows that exposure around birth has a negative effect upon one’s cognitive abilities. Given that other studies on particulates have found similar and other negative impacts on human health, this study should not really surprise anyone. Continue reading Air pollution one more time

Lead and choline

A democratic republic can only survive and flourish if its citizens are well-educated. However, such an educated society can only exist if the overall majority of its citizens has the individual cognitive ability to handle proper education. In other words a democratic republic is only possible as its citizens have a certain degree of general intelligence. Continue reading Lead and choline