Does infectious disease have an adverse impact on human intelligence? A new study posits that it does.

Prior posts have noted the importance of providing clean water and sanitation services to the human population in order to lessen the impact of disease on human health and well-being. Now researchers are exploring how disease may impact human intelligence. Human intelligence is a fuzzy concept. Of...

Three new studies conclude that prenatal pesticide exposure lowers IQ

Before noting the studies, I should note that I am very skeptical about what it is that IQ tests measure, and whether they are measuring it accurately. Personally, I find the thesis that there are many types of intelligence to be more persuasive, but then I do not hold my self out as an expert on measuring...