Which substance in cigarette smoke causes lung cancer?

How much does laffy taffy cost? What is a hookah bar? Is tobacco a plant or chemically produced? What are the names of the cigars that cost a hundreds dollars? What is the strengths and weaknesses of smoking? What two kinds of smoke produced by tobacoo? How many children and teens smoke their first cigarette each day? What cigars does Admiral Sandecker smoke? Is smoking with pipe screens bad? When was the T206 tobacco card set first issued? What is the legal age to sell cigarettes in the England? Can chewing one piece of gum give you cancer? Why was it so much cheaper to grow tobacco in the New World than in Europe? What is the quickest way to clean your saliva from marijuana? What is the value of a miroku mk70 grade 1 shotgun second hand? How much was a pack of cigarettes in 2004? What is the meaning of tabo? When was The Natural Confectionery Company created? What does k2 weed taste like? Who buys cigar silk?