JUST WATCH THE 10 MINUTE VIDEO AT THE BEGINNING:
Outdoor air pollution effects: https://www.huffingtonpost.com/entry/what-air-pollution-does-to-your-body_us_5a1a7f47e4b064948074da5f
Optional Reading
https://www.huffingtonpost.com/entry/air-pollution-is-killing-millions-around-the-globe-each-year_us_5a1ed396e4b017a311eb9c5f
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