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The first PAH to be identified as a carcinogen in tobacco smoke was benzopyrene , which been shown to toxicate into a diol epoxide and then permanently attach to nuclear DNA, which may either kill the cell or cause a genetic mutation

Health impacts of thirdhand smoke in a home More From Realtor.com That smell of cigarettes long past isn't, in fact, just a smellit's a residue called thirdhand smoke (THS)

External radiation therapy as palliative therapy, to relieve symptoms and improve the quality of life

Deep cleaning and airing out your home, for example, cannot remove the particles that have sunk deep into your furniture

Our finding of a higher OR for former than current smokers is also consistent with other analyses published after our paper was submitted [58, 59]