Makes sense. "Lead exposure in childhood linked to lower IQ, lower status jobs, as adults" https://www.sciencedaily.com/releases/2017/03/170328145300.htm https

Makes sense. "Lead exposure in childhood linked to lower IQ, lower status jobs, as adults" https://www.sciencedaily.com/releases/2017/03/170328145300.htm https://www.sciencedaily.com/releases/2017/03/170328145300.h... Which also correlates with criminality.