Someone mentioned malaria-afflicted test takers before. Of course better healthcare leads to lower disease load, which leads to higher IQ, but it’s only a weak link, simply not leaving old tires with water strewn about the place is free.
Someone mentioned malaria-afflicted test takers before. Of course better healthcare leads to lower disease load, which leads to higher IQ, but it’s only a weak link, simply not leaving old tires with water strewn about the place is free.