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A 2000 meta-analysis found a relative risk of 1.48 for lung cancer among men exposed to secondhand smoke, and a relative risk of 1.16 among those exposed to it at work. [95] Another meta-analysis confirmed the finding of an increased risk of lung cancer among women with spousal exposure to secondhand smoke the following year.
Meta-analyses combining studies of secondhand smoke exposure and risk of lung cancer in people who never smoked have reported increases in different population groups: 24 percent in studies from ...
US and UK health bodies say that passive smoking is harmful to health.
Sidestream smoke is the main component (around 85%) of second-hand smoke (SHS), also known as Environmental Tobacco Smoke (ETS) or passive smoking. [2] The relative quantity of chemical constituents of sidestream smoke are different from those of directly inhaled ("mainstream") smoke, although their chemical composition is similar. [3]
The primary cancer risk factor for casino workers is thought to be due to second hand smoke which can increase the risk of both lung cancer [7] and breast cancer (42% higher) [12] [13] compared to the general population's risk. [14] [15] Second hand smoke contains 700 chemicals that are known to cause cancer. [16]
Smoking most commonly leads to diseases affecting the heart and lungs and will commonly affect areas such as hands or feet. First signs of smoking-related health issues often show up as numbness in the extremities, with smoking being a major risk factor for heart attacks, chronic obstructive pulmonary disease (COPD), emphysema, and cancer, particularly lung cancer, cancers of the larynx and ...
Nonsmokers who are exposed to second-hand smoke at home or work increase their heart disease risk by 25–30% and their lung cancer risk by 20–30%. Second-hand smoke has been estimated to cause 38,000 deaths per year, of which 3,400 are deaths from lung cancer in nonsmokers. [120]
According to the CDC, cigarette smoking is the No. 1 risk factor for lung cancer, with statistics showing that smokers are 15 to 30 times more likely to develop or die from lung cancer than non ...