Both: It is the toxic residue of more than 4000 chemical compounds created by burning tobacco leaf that constitutes "Tar"THERE IS NO SAFE TOBACCOTar exposure from a light cigarette can be just as high as that from a regular cigarette if the smoker takes long, deep, or frequent puffs.The bottom line is that light cigarettes do not reduce the health risks of smoking.Even without additives tobacco=harm.
Answered 12/27/2014
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