why is cigarette smoking so addictive Nicotine Addictive? Why is tobacco so addictive?

Seriously, though, reviewing tobaccos for publication is a bit of work, but perhaps not as trying as one might think

Today, the culture is evolving

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Respiratory symptoms experienced due to exposure to other peoples exposure to tobacco smoke were measured by asking questions: Have you ever coughed or experienced flu-like symptoms after exposure to smoke from other peoples cigarettes?, and Have you ever had headaches after exposure to smoke from other peoples cigarettes?

In a 2011 meta-analysis, Hui et al concluded that the apparent protective effect of smoking was likely false, because the negative association was seen mainly in hospital-based case-control studies and in analyses where smoking was treated as a secondary covariate rather than the primary exposure