Enviromental tobacco science
Cigarette smoking is not only just hazardous to the smoker, but to the environment as well. Tobacco has been linked to at least 400,000 deaths in 2002 by the U.S. Centers for Disease Control and Prevention. Between 30,000 and 60,000 of those deaths were as a result of being exposed to environmental tobacco smoke, also known as second hand smoke. Continuous exposure to ETS (environmental tobacco smoke) is strongly associated with respiratory effects, carcinogenic effects, and cardiovascular effects. Environmental tobacco smoke consists of two types of burning tobacco. The first form is what is known as sidestream smoke. Sidestream smoke is smoke that is released between puffs of a burning cigar or cigarette. The second form is known as mainstream smoke. Mainstream smoke is smoke that is exhaled by the smoker. Sidesteam smoke contains the same harsh chemicals that the smoker inhales, where as mainstream smoke
Many states have also enacted legislation to protect non-smokers such as no smoking in restaurants or in bars. Environmental Protection Agency has found that children whose mothers were exposed to environmental tobacco smoke had cognitive development delays when compared to children whose mothers were not exposed to environmental tobacco smoke. Tobacco smoke contains nicotine and carbon monoxide. As a result of wide spread attention to the dangers and risks associated with environmental tobacco smoke, many public and private policies have been enacted restricting smoking. Studies done by the National Institute of Environmental Health Sciences and U. Carcinogenicty associated with environmental tobacco smoke has been directly linked to the cause of lung cancer in patients who have never smoked a cigarette. Some of these chemicals are known as carcinogens, which are cancer causing substances, mutagens, which are substances that promote genetic changes in cells, and developmental toxicants, which interfere with normal cell development. is somewhat diluted by the smoker as it is inhaled before it is released. As a result of the ban on flights less than six hours, many airline companies have banned smoking completely on all domestic flights. It has also produced respiratory and cognitive problems in young children. These studies have also shown that environmental tobacco smoke as the cause of acute respiratory tract infections in children. ConclusionsEnvironmental tobacco smoke is as deadly as tobacco itself. The chemicals found in environmental tobacco smoke are the same as the ones that are found in the tobacco itself.
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