Smoking is on the decline in America, thanks to anti-smoking campaigns, educating the youth earlier about the dangers smoking causes and new laws restricting where and when you can smoke
It wont solve it all, but it helps keep stains from building up
Funding This research was partially supported by and performed within the framework of the Top Institute Pharma project T1-201 COPD, transition of systemic inflammation into multi-organ pathology, with partners University Medical Center Groningen, University Medical Center Utrecht, University Medical Center Maastricht, Nycomed BV, GlaxoSmithKline, Danone, AstraZeneca, and Foundation TI Pharma
Secondhand smoke or "passive smoke" also harm family members, coworkers, and others