Term Paper on "Is High Level of Mercury in Shellfish Harmful to the General Population People?"
Term Paper 11 pages (3633 words) Sources: 15 Style: APA
[EXCERPT] . . . .
Mercury in SeafoodAre high Mercury Levels in Shellfish and Seafood Harmful to the Population of People?
Since the 1800s people have been aware that fish contain high levels of mercury (Ferguson, 2005). The harmful effects of high levels of mercury in the human body have been known for many years as well. Recently, there has been a rash of media hype about the dangers of mercury to the developing fetus and to small children. This has led to suggestions that the public avoid consumption of certain shellfish and seafood above certain levels. However, this denies these groups of the known health benefits of fish, including the important Omega-3 fatty acids and their heart protective properties.
Popular opinion supports the idea that high levels of mercury automatically translate into high mercury levels in humans. However, empirical evidence is in favor of limitations on consumption of fish merely as a precaution. There have been no cases of mercury poisoning in humans from the consumption of fish. Many of the warnings and cautions are based on "hypothetical" scenarios. This research demonstrates that fears over fish consumption are over reactive, but still supports the advisories regarding fish consumption.
Chapter 1 Introduction
Statement of the Problem
Significance of the Problem
Background
Chapter 2: Literature Review
What is mercury and why is it harmful? 6
What Levels of methylmercury are safe? 7
Mercury in the Body
Mercury in the Grocery and at R
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Summary
Chapter 3: Conclusions and Recommendations
References
Chapter 1: Introduction
Statement of the Problem
Shellfish and seafood are an important part of the American diet. Fish are an important source of Omega-2 fatty acids, believed to be an essential element for a healthy diet. Omega-3 is essential to the brain and eye development of a baby (Ohio EPA, 2007). It is estimated that the average woman aged 15-44 consumes a mean daily average of 4.28 grams of fish per day (EPA., 2002). Those under the federal poverty level consumer approximately 7.03 grams per day (EPA, 2002). Fish and seafood, including shellfish, are an important element of the U.S. diet.
The seafood and fish industry in the United States nets approximately 7,513,878 USD per year (NOAA, 2004). This makes it a major contributor to the economy. However, this segment of the economy and public health may be at risk due to contaminants in the fish. Current government advisories suggest limiting the amount of certain fish consumed by people in the United States. The reason for these advisories stems from the discovery of high levels of mercury and other toxic chemicals in ready-to eat fish. This research will address the issue of mercury in shellfish and other seafood in terms of the risk that it poses to the average U.S. citizen.
Significance of the Problem
Exposure to mercury vapor has been associated with a variety of health problems. The most notable of these is damage to the nervous system. This problem is of special concern during pregnancy and for children (NJSDH, 2007). Estimates of risk to the general public range from significant to slight. There are many factors to consider in estimating the risk of mercury exposure from eating shellfish and seafood in the general population in the United States. These differences in opinion make this an important public health issue. Understanding the real risk to the public is an important health issue, especially considering the health benefits of fish to a healthy diet.
Background balanced diet rich in shellfish and seafood is an important part of a healthy diet. Omega-3 fatty acids help keep the heart healthy and provide the nutrients necessary for healthy brain development in children (DHHS/EPA, 2004). However, now this advisory to eat fish as an important part of the diet comes with a word of caution attached. The health benefits of seafood may be overshadowed by the risks associated with high levels of toxic chemicals, metals, and other compounds in the tissues of the fish. The question is whether the health benefits outweigh the risks associated with consumption of fish.
Almost all seafood in the U.S. contain traces of mercury in their systems. Mercury contamination has received the greatest attention from scientists, legislators, public health officials and the mass media. This is because of the widespread nature of lead contamination, compared to other toxins found in fish (DHHS/EPA, 2004). Many other contaminants may be site or species related. However, the problem of mercury in fish is the most widespread in terms of geography and species involved (DHHS/EPA, 2004). This makes mercury of particular concern when it comes to contamination issues.
The risks to women of childbearing age and to children are considered to be the most significant. Mercury levels in children will be higher than those in an adult because the amount to mercury contamination is proportional to a person's weight (DHHS/EPA, 2004). For example a 145 lb person who eats a 6 oz. albacore steak will have a lower blood concentration of mercury than a 45 lb child eating the same albacore steak. Current guidelines from the U.S. Department of Health and Human Services indicate that following three basic rules can help to reduce their exposure to mercury to a level where they can enjoy the benefits of eating fish in the diet.
1. Do not eat Shark, Swordfish, King Mackerel, or Tilefish because they contain high levels of mercury.
2. Eat up to 12 ounces (2 average meals) a week of a variety of fish and shellfish that are lower in mercury.
Five of the most commonly eaten fish that are low in mercury are shrimp, canned light tuna, salmon, pollock, and catfish.
Another commonly eaten fish, albacore ("white") tuna has more mercury than canned light tuna. So, when choosing your two meals of fish and shellfish, you may eat up to 6 ounces (one average meal) of albacore tuna per week.
3. Check local advisories about the safety of fish caught by family and friends in your local lakes, rivers, and coastal areas. If no advice is available, eat up to 6 ounces (one average meal) per week of fish you catch from local waters, but don't consume any other fish during that week." (DHHS/EPA, 2004).
This advisory seems simple enough to follow. However, there are many who question the consumption of any amount of mercury containing fish. This places a major damper on what constitutes a healthy diet in the U.S. There are those that downplay the risks, as well as those who feel that the risks are significant. The following research will examine both sides of the mercury debate.
Chapter 2: Literature Review
There is much information available regarding the mercury in seafood debate. The content of the information varies according to source. Many sources are decidedly slanted towards one opinion or another. The problem lies in sifting through the information to arrive at a conclusion about the real risk of eating seafood. The following will review the most reliable literature available in order to determine the real threat of mercury in the U.S. diet to the average U.S. citizen.
What is Mercury and why is it harmful?
Mercury is an element that occurs naturally in the environment. It is released into the air by industrial pollution. It can also be released directly into waterways in an effluent. Mercury can fall from the air and become deposited in streams and in the ocean. When mercury comes into contact with water it transforms into methylmercury. This form of mercury can be harmful to children and unborn children.
Fish absorb methylmercury as they feed in contaminated waters. The amount of mercury builds up in fish faster than they can process it from their body. Some types of fish and shellfish are particularly prone to mercury buildup. Top predators tend to have higher levels of mercury than those on the lower level of the food chain. This is because they gain mercury from the fish that they eat, in addition to what is normally absorbed through the environment. Mercury levels in fish vary according to the waterway, proximity to industrial wastes, and their diet.
Nearly all fish and shellfish contain some form of methylmercury. However, the larger the fish, the higher the level seems to be. This is because the fish has lived longer and have had more time to accumulate it in their system. Large fish such as shark, king mackerel, and tilefish pose the greatest threat. Currently there is a warning against eating these types of fish at all (EPA, 2002).
Mercury accumulates in the human blood stream, just like it does in the bloodstream of the fish. This is the key reason for warnings against certain levels of consumption over time. Women who are planning on getting pregnant may have high mercury levels that are sufficient to harm the unborn child, even if they stop consuming fish when they become pregnant. They could have a build-up in mercury levels from before they were pregnant. The body eliminates mercury slowly. It can take over… READ MORE
Quoted Instructions for "Is High Level of Mercury in Shellfish Harmful to the General Population People?" Assignment:
Hello *****,
I have including some of my requirement for my research proposal. In addition I will send four article that I would like to be including in this paper.
All papers must include the following sections, at minimum: Introduction (subsections to include statement of the problem, significance of the problem, and background), Literature Review (with topic-appropriate subsections), and Conclusions and Recommendations.
1) Title page: Follow the thesis or dissertation guidebook, which is available online from the Research Center on the home page.
2) Table of Contents: Use the page break or section break code to keep this on its own page. Note that the APA manual does not cover table of contents format. Students should follow the table of contents described in the thesis or dissertation guidebook, which is available online from the Research Center on the home page. Page numbers are required.
3) Abstract: Use the page break or section break code to keep this on its own page. Follow the APA manual guidance. Abstracts must be concise and specific. The basic idea of an abstract is to provide what was done in the paper, including the key four or five findings, and the conclusion. Background information is not included in an abstract, nor are generalities.
4) Introduction: This must include the statement of the problem and the significance of the problem (validate with text citations and statistics). This section also includes any background and general information that is useful to understand the literature review that follows. For some topics, this may include historical context.
5) Literature Review: This is the heart of the paper. This section includes the analysis of the current (within 5 years) primary literature and should consist of presentation of hypotheses, study methods, results, and conclusions in the student*****s own words. Public health applications for the information should be discussed. Compare and contrast studies. Analyze them for flaws and value. Consider studies with conflicting results and similar results and postulate reasons for this as well as conclusions to be drawn. Subsections should be separated by use of appropriate headers. Organization of the literature review section may vary according to the topic, but this section should demonstrate a cohesive connection between all of the primary articles being discussed. Page numbers are required. Use of transitional statements is strongly encouraged. Main headers are centered, upper and lower case (level 1). Subheaders are flush left, italicized, upper and lower case (level 3). If a third level of headers is used, they will be indented, lowercase, paragraph headers ending in a period (level 4). It is unlikely that the remaining levels of headers (levels 2 and 5) will be required in this type of paper.
7) Additional sections (for example, Regulations, Legislation, Policies, or Current Interventions). Students might include information on the current state of regulation for this problem (if any), any relevant policies (if any), and community health interventions (if any) that have been done or are being done for this problem.
8) Conclusions and Recommendations: This section is designed to pull together all of the information, including reiterating the significance of the problem and presenting the overarching conclusions of the current research that was analyzed in the literature review. The paper must include a discussion of gaps and recommendations for further policies, legislation, interventions, and/or research.
9) Reference List: Use the page break or section break code to keep this on its own page. All references that were cited in the text must appear here in APA format, single spaced with hanging indent. Full credit will not be given should the reference list lack the minimum number of four primary research articles. Keep in mind that most final papers will need more than four to do a good job. Please note that this is a standard APA formatted reference list of the sources you cited in your paper, and not the same as an annotated bibliography.
Thank you,
Junior
*****
How to Reference "Is High Level of Mercury in Shellfish Harmful to the General Population People?" Term Paper in a Bibliography
“Is High Level of Mercury in Shellfish Harmful to the General Population People?.” A1-TermPaper.com, 2007, https://www.a1-termpaper.com/topics/essay/mercury-seafood-high/4904. Accessed 3 Jul 2024.
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