CIGARETTE SMOKING

A kind of smoke emitted by cigarette which smokers directly inhale is called mainstream smoke.

Gateway drugs are drugs non-drug-users might try out that can lead to trying more dangerous ones.

Carcinogens are substances which cause cancer.

Nicotiana Tabacum is a plant whose leaves can be rolled in a cigar or pipe and can be smoke.

Tar is the addictive drug found in tobacco products like cigarette.