4 chemicals in tobacco What Are Cigarettes? Cigarettes contain thousands of chemicals—over

Cigarettes contain thousands of chemicalsover 7,000 have been identifiedmany of which are toxic, and at least 70 are known to cause cancer. When a cigarette burns, these chemicals are inhaled deep Chemicals in Cigarettes and Tobacco: What's Burning? Pathological effects of smoking PPTX Learn About Tobacco Cigarette smoke contains thousands of chemicals, many of which are toxic and harmful to the human body. Here's a detailed breakdown of some of the most dangerous constituents and their effects: 1.

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