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Submitted by Trish672 on August 4, 2007
Category: Miscellaneous
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I just came across a fascinating article about second-hand smoke in certain establishments that I thought would be of particular interest to you. I know you've worked in restaurants where smoking is allowed but maybe after reading this article you may be more discriminating of where you choose to work. The article is a scientific study done to find out if smoking in the workplace presents a substantial risk to workers, particularly to workers who are working in highly exposed areas such bars and restaurants.
One important term you will need to have knowledge of before reading this article are carcinogens. A carcinogen is any substance or agent that promotes cancer. Carcinogens are present everywhere. Carcinogens can be carried into the body by air, food and water where they can alter or damage human cells. The intake of carcinogens can create a hazardous situation for contracting cancer and the progression of the disease. A few examples of carcinogenic substances are tobacco, alcohol, and aflatoxin which can be found in nuts or peanut butter. Carcinogens may cause cancer by altering cellular metabolism or damaging DNA in cells which interferes with normal biological processes. They can be drunk, inhaled, eaten or absorbed through the skin. Carcinogens can be considered mutagen or non-mutagen. Mutagens have high potential to damage DNA. They are able to introduce genetic flaws which initiate or contribute to the initiation of cancer. Non-mutagenic carcinogens do not alter DNA. However, they do cause cell death. As a reaction, the body regenerates cells for the lost cells. Anytime, cells divide it is an opportune time to introduce a mutation. Even though the way carcinogens cause cancer is still not completely understood, researchers believe that humans and other animals must be exposed to a carcinogen for a certain period of time and at a high enough concentration for cancer to occur. (Phillis and Goodwin, 2003)
One process you will also need...
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