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Passive smoking is the inhalation of tobacco smoke, called passive smoke, secondhand smoke (SHS) or environmental tobacco smoke (ETS), by individuals other than the active smoker. It occurs when tobacco smoke diffuses into the surrounding atmosphere as an aerosol pollutant , which leads to its inhalation by nearby bystanders within the same ...
Smoking-related deaths in firsthand and secondhand smokers in the US between 2005 and 2009 (no data available for secondhand smokers with COPD deaths [7]) The morbidity of cigarette smoking is nearly 50% with 7 million first-hand smokers and 1.2 millions second hand smokers killed each year. [8]
Second-hand smoke is a mixture of smoke from the burning end of a cigarette, pipe or cigar, and the smoke exhaled from the lungs of smokers. It is involuntarily inhaled, lingers in the air hours after cigarettes have been extinguished, and may cause a wide range of adverse health effects, including cancer , respiratory infections , and asthma .
Having put the cancer risk from secondhand smoke in the proper perspective relative to the risk from smoking, the CA study combines the two exposures to obtain the total number of cancer cases and ...
Third-hand smoke is contamination by tobacco smoke that lingers following the extinguishing of a cigarette, cigar, or other combustible tobacco product. [1] First-hand smoke refers to what is inhaled into the smoker's own lungs, while second-hand smoke is a mixture of exhaled smoke and other substances leaving the smoldering end of the cigarette that enters the atmosphere and can be inhaled by ...
Passive smoking, or secondhand smoking, which affects people in the immediate vicinity of smokers, is a major reason for the enforcement of smoking bans. These are laws enforced to stop individuals from smoking in indoor public places, such as bars, pubs and restaurants, thus reducing nonsmokers' exposure to secondhand smoke.
Passive smoking is the inhalation of tobacco smoke by individuals who are not actively smoking. This smoke is known as second-hand smoke (SHS) or environmental tobacco smoke (ETS) when the burning end is present, and third-hand smoke after the burning end has been extinguished. Because of its negative implications, exposure to SHS has played a ...
Second-hand smoke is a mixture of smoke from the burning end of a cigarette and the smoke exhaled from the lungs of smokers. It is involuntarily inhaled, lingers in the air for hours after cigarettes have been extinguished, and can cause a wide range of adverse health effects, including cancer, respiratory infections , and asthma . [ 119 ]