tobacco

Tobacco is a plant that contains the drug nicotine. Even though tobacco causes many health problems, people all over the world have been using it for hundreds of years.
What’s in smoke?

Cigarette smoke contains about 4,000 chemicals and poisons. Over 50 of these cause cancer.
Did you know?

All these poisons—and more—are in tobacco smoke:

* nicotine
* tar
* carbon monoxide
* cyanide
* arsenic
* formaldehyde
* ammonia
* benzene