Mercury in fish essay
The end result of the majority of these studies have indicated that although the heavy metals, to include mercury, pcbs (polychlorinated biphenyls) and others, can have the effect of increasing one’s overall risk of developing a type of cancer, the overall statistical incidence of the increase in cancer rate is so miniscule as to not warrant a cessation of eating fish/shellfish so as to avoid the negative health consequences that are exhibited by the existence of mercury/pcbs etc (foran 15). Story highlights we're told to eat fish, but some varieties contain high levels of mercury the bigger and older the fish, the more mercury can accumulate. Mercury poisoning synonyms: mercury issued recommendations in 2004 regarding exposure to mercury in fish and a number of papers on mercury poisoning. Cod, salmon, haddock, herring and sardines, for example, are considered low mercury fish first-person essays, features, interviews and q&as about.
The primary effects of mercury contamination occurred in the main staple of food, fish, which had record-high levels of mercury the secondary effects of mercury contamination affected the economic resources of these two communities when they were forced to close their commercial fisheries and fishing guides which rendered them unemployed (cbc, 1970). The presence of mercury in fish can be a particular health concern for women who are or may become pregnant, nursing mothers, and young children. The topic i choose for final paper is mercury contamination in fish and public health the paper for this topic i will write about harm of mercury, how it affects fish and human, and how it changes environment. The major proportion of the mercury in fish is methylmercury the mercury concentration in food products, excluding fish, varies from a few micrograms to 50 μg/kg.
In its 1997 mercury study report to congress, the us environmental protection agency concluded that mercury also may pose a risk to some adults and wildlife populations that consume large amounts of fish that is contaminated by mercury. Additionally, many investigations of mercury levels in fish are reported in the literature submitted data. Fish are a great source of protein and healthy fats, but certain types have high levels of mercury learn the best types of fish to eat each week. Free essays on mercury in fish for students use our papers to help you with yours 1 - 30.
Mercury is a widespread environmental toxicant and pollutant that travels up the food chain onto people's dinner plates although a global issue, mercury regulations vary worldwide depending on where one lives in relation to mercury emissions, regional remediation makes minimal impacts for local fish consumption advisories. In fish mercury becomes bound figure 2: dose of mercury from listed exposures essay ld+a august 2009 55 times more than would be released by a single broken cfl.
Mercury in fish & fish consumption guidelines for the saskatchewan, souris, assiniboine, red and winnipeg river systems water quality series number 4 mercury in fish: problems and solutions monitoring of mercury although manitoba has some of the cleanest waters in the world, mercury contamination of fish does occur. In the marine environment, almost all of the mercury in the muscle of fish is methylated (joiris et al , kehrig et al [5, 6]) however, the major part of mercury accumulated in the internal organs especially in the liver, exist as inorganic mercury, suggesting that demethylation of methylmercury is possible (kehrig et al , holsbeek et al ). List of low and high mercury concentration levels in fish, includes chart of fish species safe and not safe for pregnant women and the public to eat. By sppir s eprint eries ♦ march 2005 making sense of state fish advisories a policy-maker's guide to mercury, fish and public health robert ferguson.
Yes, fish can be a great dietary choice: it's lower in calories and saturated fat than red meat and naturally higher in healthful omega-3 fatty acids but wait—it can also contain mercury and other potentially harmful contaminants how are you supposed to balance those risks here's our answer to. Mercury in fish essays: over 180,000 mercury in fish essays, mercury in fish term papers, mercury in fish research paper, book reports 184 990 essays, term and research papers available for unlimited access.
What are the health risks and benefits of eating fish that may have been exposed to mercury. Mercury levels in fish is a common question for expecting moms who like fish but want to be healthy learn more about mercury and fish.
Mercury in seafood january 14, 2013 to this podcast explains why some types of fish contain high levels of mercury in producing a series of papers and a. Mercury is a substance that is particularly toxic when released into the environment all forms of mercury can have adverse, and disastrous, effects on human health, which is why i believe the public should be made aware of mercury's hazardous properti. Explore the latest articles, projects, and questions and answers in mercury analysis in fish, and find mercury analysis in fish experts. Basic information about mercury, how it gets in the air, how people are exposed to it and health effects associated with exposure what epa and other organizations are doing to limit exposures what citizens should know to minimize exposures and to reduce mercury in the environment and information about products that contain mercury.Get file