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Intensive research followed, and researchers soon learned that the nicotine receptors were in fact designed to bind the neurotransmitter acetylcholine, and it was just an accident of nature that nicotine, an obscure chemical from a tobacco plant, was also able to bind to them

If you are smoking ten cigarettes daily for two years (0.5 pack 2 years), or two cigarettes per day in your ten years smoking history (0.1 pack 10 years), it still gives us one smoking pack year

Many people experience temporary constipation when quitting nicotine products because their digestive system has become accustomed to nicotine's stimulating effect

Still, smoking is harder to quit when the person is continually exposed to it through family or community, according to a 2011 study published in BMC Public Health

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Bretan Jr., M.D., President of the California Medical Association (CMA)