how much tobacco in 1 cigarette Nicotine Is a Cigarette? FDA proposes caps on nicotine

"Therefore, even though some individuals are exposed to high levels of biological stressors, like those found in cigarette smoke, their bodies may be better set up to cope with and repair the damage." The researchers conclude that long-lived smokers may represent a "biologically distinct group, endowed with genetic variants allowing them to respond differentially to environmental stressors"

American Chemical Society, Washington, D.C., pp 41163 Straif K, Baan R, Grosse Y, Secretan B, El Ghissassi F, Cogliano V (2005) Carcinogenicity of polycyclic aromatic hydrocarbons

National Asthma Council Australia

I had a neophyte's approach to smoking, but I enjoyed it