the problem is in the roadways error, high traffic roads also went through ghettos and poverty centers. So you'll have to contend with a verry wide margin of other problems that will correlate and confound.
Infact, most of our understanding of health is confounded by the social realities.
This hypothesis should be very easy to test. Tire pollution exposure will drop off following a predictable function of proximity.
the problem is in the roadways error, high traffic roads also went through ghettos and poverty centers. So you'll have to contend with a verry wide margin of other problems that will correlate and confound.
Infact, most of our understanding of health is confounded by the social realities.