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
We have earlier discussed the negative effects of environmental lead exposure on pre- and post-natal neural development. A new study from Canada, reported by Interesting Engineering, suggests that also fluoride might have a negative effect on one’s IQ. And this is a serious issue. Continue reading Fluoride and IQ
