The research in this video is what has sparked California's ban on smoking in cars with minors.  A device is used to read the levels of air pollution in the car, and shortly after a cigarette is lit, the air quality in the vehicle becomes far more hazardous than any outdoor air pollution (in fact, at one point the levels literally go "off the charts").

Watch this video and see why smoking in your car is so dangerous for children in particular:

 

 

 

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