https://blogs.mercola.com:443/sites/vitalvotes/archive/2018/08/30/air-pollution-causes-huge-reduction-in-intelligence-study-reveals.aspxAs if the damage air pollution does to your lungs weren’t enough, now researchers say polluted air can reduce your IQ level the equivalent of a whole grade in school. The Guardian reports that they already knew air pollution hinders cognitive performanceenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)