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A comment on Air Pollution Seems to Cause Dementia. Parent comment

Re:Air Pollution Seems to Cause Dementia by arethuza on Friday May 10, 2019 @11:33AM (#19878718)
I remember once years ago coming into Heathrow on a flight and when the flight circled over central London there was a distinct brown layer of cloud - it looked disgusting!
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Re:Air Pollution Seems to Cause Dementia by howard941 on Friday May 10, 2019 @12:11PM (#19879157)
A feature of modern cities? As a child I'd very rarely join my father on his commute into Manhattan from southern Brooklyn. When the car topped a ridge about halfway there the island appeared to be perfectly capped by some futuristic but dirty thick brown dome.
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Re:Air Pollution Seems to Cause Dementia by asdff on Friday May 10, 2019 @05:02PM (#19882197)
When you were a child environmental protections were not nearly what they are today
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Re:Air Pollution Seems to Cause Dementia by asdff on Friday May 10, 2019 @05:01PM (#19882188)
Fun fact: London fog doesn't exist. It's always been pollution, not a weather phenomenon.
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