The taste of old tobacco tar was heavy in his throat, and for a moment he thought he was going to vomit.

Big Tobacco has lied at every step, denying the addictive properties of nicotine and the causal link between tobacco tar and cancer.

Proving that they knew tobacco tars caused lung cancer, the industry did develop a couple of "" cigarettes.

She was never a housekeeper, and she smoked: the interior, once bright, was overlaid with a yellowing patina of tobacco tar.

The air down here was close and fetid with the odor of bodies and tobacco, tar and that fecund smell of wet wood at sea.

What the smoker inhales contains a dose of nicotine but no tobacco "tar."

Roffo was one of the first scientists to demonstrate the link between tobacco tars and the production of tumours ".

Whereas laboratory studies of tobacco tar had been conducted elsewhere, Wynder's findings supported the growing epidemiological data.

The layers of tobacco tar and dirt were so thick that the dome appeared to have been painted black.

Rinsed hastily with alcohol, it was still stained with tobacco tar, but seemed to be functioning well enough.