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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] Regardless of active or passive smokers, macrophage accumulation is found in the lungs.
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 .
Second-hand smoking (SHS) is a combination of sidestream smoke (i.e., smoke emitted from the burning cigarette, pipe, or cigar) and the mainstream smoke exhaled from the lungs of smokers. It contains more than 4,000 chemicals, many of which are known to affect health.
Quitting smoking completely can add as much as a decade to your life, along with the positive environmental and public health impact it has by eliminating second- and third-hand smoke, Rezk-Hanna ...
Common adverse effects of tobacco smoking. The more common effects are in bold face. [88] Tobacco use leads most commonly to diseases affecting the heart and lungs, with smoking being a major risk factor for heart attacks, [89] [90] strokes, [91] chronic obstructive pulmonary disease (COPD), [92] idiopathic pulmonary fibrosis (IPF), [93] and ...
A recent study found that smoking an e-cigarette decreased the amount of oxygen being taken in by the lungs, regardless of whether it contained nicotine
The report's conclusions were almost entirely focused on the negative health effects of cigarette smoking. It found: cigarette smokers had a seventy percent increase in age-corrected mortality rate; cigarette smoke was the primary cause of chronic bronchitis; a correlation between smoking, emphysema, and heart disease. In addition, it reported:
While the study is admittedly crude in nature -- it relies on averages, assumes that the health effects of smoking are evenly spread throughout a smoker's lifetime, presumes that the number of ...