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Show Nicotine Helps Smokers Quit Now that scientists have conclusively proved that the nicotine in cigarettes is an addictive ad-dictive drug, it is easier to understand why so many smokers find it difficult to quit, even when they desperately want to. Paradoxically, the drug that keeps smokers hooked may be the very substance that enables them to break their habit. Walter S. Ross explains in the . February Reader's Digest. Unlike heroin addiction, ad-diction, where a heroin-blocking heroin-blocking drug reduces addiction, nicotine-blocking chemicals actually ac-tually cause smokers to smoke more. |