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The 85 years and older group consistently shows the lowest smoking prevalence, with 4.9% (95% CI: 2.68.7%) in 1997, and a potential decrease reaching 3.4% (95% CI: 1.39.4%) in 2025, and 2.8% (95% CI: 0.514.6%) in 2040

The studies described instances of countering five of the six action-based strategies identified in the PDM [22, 25] (Coalition Management, Information Management, Direct Access and Influence, Litigation and Reputation Management)

Fischer B, Russell C, Sabioni P, van den Brink W, Le Foll B, Hall W, Rehm J, Room R

The original germ-free mice were colonized either with bacteria from a smoke-exposed or air-exposed mouse

That's why smokers tend to weigh less and quitters gain an average of 4.67 kg within 12 months (Aubin et al., 2012, BMJ , 62-study meta-analysis)