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of the typical cigarette is made up of stems, scraps and dust.

some of the reasons quitting smoking can be difficult. It's not only because cigarettes contain the addictive chemical nicotine—which keeps people smoking even when they don't want to be2—but also because the design and content of cigarettes continue to make them addictive and attractive to consumers. What exactly are you smoking when you smoke a cigarette? You inhale everything that is burned—the tobacco filler, the paper–even the chemicals that form when the cigarette is lit. While that may be an unappealing thought, the mix of more than 7,000 chemicals2 that smokers inhale in the smoking process is downright deadly.

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