are cigarette ashes good for anything butts in soil hamper plant growth, study suggests The Dangers Of Cigarette Ash

This is because smoking is associated with a pleasant experience, whereas withdrawal is a very unpleasant one that is experienced both physically and emotionally

Berkeley Labs researchers previously discovered that aerosolized nicotine, released during smoking and vaping, adsorbs to indoor surfaces, where it can interact with a compound present in indoor air called nitrous acid (HONO) to form strongly carcinogenic compounds called tobacco-specific nitrosamines (TSNAs)

Zhu X, Tan L, Feng G, Yang J, Gao Y, Dai Y (2015) Research on degradation of cellulose using enzyme treatment in flue-cured tobacco by 13C NMR spectroscopy

doi:10.3978/j.issn.2072-1439.2015.07.37