how does tobacco affect your nervous system Smoking the System? Tobacco/Nicotine - Rutgers Addiction Research

Its as if every man, woman, and child smoked 1.5 cigarettes each hour, Presuming as I have above that it was on one of the worst PM 2.5 days (let's say 300 micrograms/m3), could we also then extrapolate that living in New York City, which according to this data has an average outdoor concentration of PM 2.5 reading of 7.5 (approximately 40 times less than Beijing), is like smoking 0.9 cigarettes daily (36 / 40 = 0.9), and reduces its residents' life expectancy by 0.5 (20 / 40) minutes

These were presented to Jacqui and Tony, and reviewed in response to their feedback

After sunset the air cools, and the cooler air pushes older smoke back down into low spots such as valleys

My only qualm is that it's just not