Earlier quoted context omitted.
I think more recent research also suggests Pb pollution levels as a predictive factor, with a 22 year lead time (yes, pun intended). So the use of tetra-ethyl lead in vehicle fuel from 1920 to 1975 in the US roughly correlates with greater nationwide violence between 1942 and 1997. Specific tracts known to have ongoing lead contamination problems show stronger correlations. So if lead pollution had not been tackled i…
There should be much better results than simply one single nation for that... China in particular should be extremely indicative. While the US 'banned' leaded gasoline and it took decades to actually phase out its use, China banned it and within 18 months use stopped entirely. While the US saw gradual declines, China should see a precipitous drop. It does make me wonder about places like parts of Africa which seem to…
https://en.wikipedia.org/wiki/Rockefeller_Sanitary_Commissio... https://www.npr.org/sections/goatsandsoda/2017/09/12/5503876...