No.10927978 ViewReplyOriginalReport
If you live, work, or go to school within 1,500 feet of a highway, you are probably inhaling highly polluted air which decreases IQ and causes many health problems, including dementia.

https://sandiego.urbdezine.com/2015/05/28/what-is-a-safe-distance-to-live-or-work-near-high-auto-emission-roads/