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Is the breathing in of fumes produced by burning tobacco.

User JeffG
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Final answer:

Secondhand smoke, containing over 7,000 substances, many of which are carcinogens, presents substantial health risks, including cancer, respiratory diseases, and cardiovascular problems. It is especially harmful to children and can lead to increased respiratory infections and sudden infant death syndrome. Non-smokers exposed to secondhand smoke are also at an elevated risk for developing lung cancer.

Step-by-step explanation:

The act of breathing in the fumes produced by burning tobacco is associated with secondhand smoke, a serious health hazard. Secondhand smoke is the combination of smoke from the burning end of a cigarette, cigar, or pipe, and the smoke exhaled by smokers. Exposure to these fumes can lead to a wide range of health issues.

Secondhand smoke is a known carcinogen, meaning it has been shown to cause cancer. It includes over 7,000 substances, many of which are toxic and can cause cancer, immune system dysfunction, liver toxicity, and cardiovascular problems. It is particularly detrimental to children, increasing the incidence of respiratory infections, ear infections, and even sudden infant death syndrome (SIDS).

Long-term exposure to components such as carbon monoxide, found in secondhand smoke, leads to chronic obstructive pulmonary disease (COPD) and other lung damage. Tobacco smoke contains a multitude of carcinogens, such as benzopyrene, acrolein, and nitrosamines, which increase the risk of lung cancer. In non-smokers, exposure to secondhand smoke can increase the risk of lung cancer by up to 30 percent compared to those not regularly exposed.

User Mbbce
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