The smoke and the spent canisters contain suspected carcinogens.

Secondhand smoke contains more than 4,000 substances, including several compounds that cause cancer.

Sidestream smoke contains more than 4,000 chemicals, including 69 known carcinogens.

The smoke often contains specks of sticky black ash that quickly fill a room.

The smoke also contains carbon monoxide, which is suspected of playing a role in heart disease.

Secondhand smoke contains more than 50 substances that can cause cancer.

Secondhand smoke contains nicotine, which causes blood vessels in the brain to narrow.

Secondhand smoke contains two hundred different poisons and forty-three chemicals that cause cancer.

The smoke contains these carcinogens, which are deposited onto the surface of meat as it swirls around the food.

The smoke of tobacco and marijuana also contain small amounts of pyridine.