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Diazepam/valium works by enhancing the effects of the neurotransmitter gamma-aminobutyric acid (GABA) in the central nervous system, leading to decreased excitability and muscle relaxation, as studied by Calcaterra NE, Barrow JC

So it's being able to get your nicotine when you're being told you can't.SF, male, 27 Its [referring to snus] called work-friendly.LA, male, 29 The ability to consume snus discreetly was another advantage compared to cigarettes or spitting tobacco: I have friends who sit in class and have them in their mouth.LA, male, 18 People think you're chewing gum or something.LA, female, 35 Another perceived advantage of snus over cigarettes was to avoid exposing others to secondhand smoke

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Changes that are observed in lung cancer tissue can also be measured in cheek cells from smokers who have not (yet) developed a cancer

But legislation to raise taxes on cigarettes, prohibit sales to minors, and restrict smoking in public places can have an impact