What is Cancer? Cancer is a disease that causes tumors to spread and eventually take over the body. It’s been around for more than 5000 years. Cancer can causes health problems for three reasons. One‚ the use of tobacco. Two‚ drinking alcohol. Three‚ passed down hereditarily. To begin with‚ the use of tobacco. It’s commonly thought that the risk for cancer is higher if one smokes. But in actuality the risk for cancer is higher for those who have been exposed to second hand smoke. Tobacco is highly
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I think e-cigarettes should be regulated by the FDA‚ because e-cigarettes are harmful and can be very dangerous to kids and teenagers. The use of e-cigarettes by teens has doubled since 2011‚ and the electronics devices are being marketed to youths. These devices is putting teens at risk for addiction to nicotine and regular cigarettes. The e-cigarettes are to help smokers to stop smoking‚ but when teens start using e-cigarettes‚ it makes them go on to regular cigarettes. e-cigarettes should be regulated
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from two leading brands of electronic cigarettes. In one sample‚ the FDA’s analyses detected diethylene glycol‚ a chemical used in antifreeze that is toxic to humans‚ and in several other samples‚ the FDA analyses detected carcinogens‚ including nitrosamines. These tests indicate that
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cigarette smoke and other risk factors that causes lung cancer‚ all these smokes and gases contain several carcinogenic components. The most carcinogenic components in cigarette smoke are benzo[a]pyrene (BaP)‚ a polycyclic aromatic hydrocarbon‚ and nitrosamine (10). BaP is activated by the phase I enzymes that are responsible for the metabolism of xenobiotics‚ the cytochrome P450 enzymes (CYPs) (13). CYPs detoxify a wide variety of xenobiotics but also is an enzyme that provides bio activation of carcinogenic
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Tobacco contains many chemicals including carcinogens like nitrosamines (210) that cause long term health complications – lung cancer‚ chronic obstructive pulmonary disease and heart disease being the leading causes of death (196). Nicotine‚ although it is not toxic relative to tobacco‚ it is responsible for the development of psychological dependence and withdrawal symptoms (211). It does this ultimately because chronic tobacco use causes the brain to adapt to the functional antagonism of nicotine
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A Comparative Study on The Effects of DriedCarica papaya (Papaya) Leaves as Mulch for Solanum lycopersicum (Tomato) ABSTRACT Mulching in agricultural provides a safe yet equally profitable method of enriching and fertilizing the soil planted with crops. Most often-used mulches are of organic composition‚ such as dry leaves and barks. These organic mulches pose no or little damage to the soil and crops. This study deals with the effectiveness of dried papaya leaves as organic mulch for
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Cancer has had an increasing impact in our world and the lives of others. The factors of this disease are all around us. Cancer can be caused by dangerous environmental substances called carcinogens‚ which are substances that are known to cause cancer. Overall‚ this disease is caused by changes in genes and it alters the way our cells function. Exposure to particular environmental substances can cause damage to your DNA. Some of these exposures are things such as chemicals‚ tobacco smoke‚ or even
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“Lung cancer continues to be the leading cause of death in both men and women in the US‚ with over 158‚900 deaths in 1999. Worldwide‚ lung cancer kills over 1 million people a year. Extensive prospective epidemiologic data clearly establish cigarette smoking as the major cause of lung cancer. It is estimated that about 90% of male lung cancer deaths and 75–80% of lung cancer deaths in the US are caused by smoking each year” (Hecht‚ 1999). Clearly‚ lung cancer is an important and widespread disease
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Some of the harmful ingredients found in tobacco are arsenic formaldehyde dirt fertilizer soot pesticides cyanide manure nicotine dead bugs 10) At least 19 different types of cancer-causing substances‚ called nitrosamines‚ are found in tobacco products. 11) The risk of developing lung cancer is 10 times greater for smokers than for non- smokers. Also‚ breathing second-hand smoke (someone else’s smoke) can be as dangerous as smoking. 12) Once you stop using
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into 1.78 million children and teens who have tried the battery powered devices. The sharp increase has public health experts worried. Electronic cigarettes contain the addictive chemical nicotine and traces of cancer causing compounds called nitrosamines. The safety profile of the devices has not been fully studied‚ according to warnings from the Food and Drug Administration. In addition‚ electronic cigarettes are sold with cartridges that give them enticing flavors such as mint or chocolate‚ and
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