This is the starting point of addiction
National Cancer Institute: "Of the more than 7,000 chemicals in tobacco smoke, at least 250 are known to be harmful, including hydrogen cyanide, carbon monoxide, and ammonia
Kim, S., Wipfli, H., Navas-Acien, A., Dominici, F., Avila-Tang, E., & Samet, J
The authors found that compared with people who continued to smoke, people who stopped smoking showed greater reductions in: anxiety (evidence from 3141 people in 15 studies)
Triticum aestivum , for instance, exhibited limitations in shoot growth when exposed to 1% (w/w) Bio-MPs in agricultural soil 164
Smokers, beware: One cigarette a day can do great damage to your heart According to a study, smoking just one cigarette daily is associated with a much greater than expected increase in risk for coronary heart disease