what is the substance in tobacco that causes addiction Tobacco/Nicotine Nicotine is what causes cancer
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Retrieved February 13, 2020
This is where the evidence is clearer
Those who are dependent are more than twice as likely as nondependent smokers to continue smoking (Breslau et al
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If someone smokes one cigarette instead of 20 per day, intuitively wed think that the risk drops to one in 20, or five per cent, says lead author Allan Hackshaw, a professor at University College London, whose paper analysed 141 previous studies
