A new study has found for the first time that thirdhand smoke — the noxious residue that clings to virtually all surfaces long after the secondhand smoke from a cigarette has cleared out — causes significant genetic damage in human cells.
A new study has found for the first time that thirdhand smoke — the noxious residue that clings to virtually all surfaces long after the secondhand smoke from a cigarette has cleared out — causes significant genetic damage in human cells.