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Notations are systems of written symbols that can be combined according to some set of syntactical rules to represent various meanings in a specialized domain

Most cigar varieties of leaf tend to be more alkaline, though considerably less so than Perique

Possible nicotine dependence causes vary by individual but often relate to biological, social, and psychological factors

The FDA needs to clamp down on flavors, its time to shut off the spigot. Monica Saxena, MD, JD is an emergency medicine resident and member of ABC News Medical Unit

The timing and intensity of the current vaping panic are curious to John Ayers, a public-health researcher at the University of California at San Diego who tracks the tobacco industrys marketing tactics

This is a reminder that smoking is a dangerous habit to your health