References: Science Direct: Nicotine, its metabolism and an overview of its biological effects National Institute of Health (NIH): Nicotine Chemistry, Metabolism, Kinetics and Biomarkers NIH: Pharmacology of Nicotine: Addiction, Smoking-Induced Disease, and Therapeutics
Because we as humans should have the right to free will, however our government is making changes that affect my free will and right as a human being 13 September 2016 Changes to packet quantity and removing packets of 10 a waste of time, if people are trying to cut down to quit smoking making them buy packets that contain 20 only may just defeat the point
Death, disease, and tobacco

F17.210 synonyms include Cigarette smoker Continuous dependence on cigarette smoking Episodic dependence on cigarette smoking Heavy cigarette smoker Light cigarette smoker Moderate cigarette smoker Tobacco dependence caused by cigarettes Other ICD-10 codes commonly used for nicotine dependence: F17.2 - Nicotine dependence F17.20 - Nicotine dependence, unspecified F17.200 - Nicotine dependence, unspecified, uncomplicated F17.201 - Nicotine dependence, unspecified, in remission F17.203 - Nicotine dependence unspecified, with withdrawal F17.208 - Nicotine dependence, unspecified, with other nicotine-induced disorders F17.209 - Nicotine dependence, unspecified, with unspecified nicotine-induced disorders F17.219 - Nicotine dependence, cigarettes, with unspecified nicotine-induced disorders F17.229 - Nicotine dependence, chewing tobacco, with unspecified nicotine-induced disorders F17.299 - Nicotine dependence, other tobacco product, with unspecified nicotine-induced disorders

Alcohol ingestion can also lead to smoking more