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Chewing (spit) tobacco is not a safe substitute for smoking

Nausea and vomiting pose significant challenges in patient care, impacting their comfort and condition

The legal saga started with a landmark ruling in Quebec that ordered the companies to pay about $15 billion to plaintiffs in two class-action lawsuits

"It appears that smokers have an altered opioid flow all the time, when compared with non-smokers, and that smoking a cigarette further alters that flow by 20 to 30 percent in regions of the brain important to emotions and craving," said David Scott, a graduate student in the University of Michigan Neuroscience Program

E-cigarettes do not produce tobacco smoke