who is most at risk for mercury poisoning?
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The form of mercury (for example, methylmercury or elemental (metallic) mercury); The amount of mercury in the exposure; The age of the person exposed (unborn infants are the most vulnerable);
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Methylmercury is highly toxic, causing serious health problems when it reaches certain levels in your body. SUMMARY Mercury is a naturally occurring heavy metal. It can build up in the bodies of fish in the form of methylmercury, which is highly toxic.
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Species on the food chain can amass body concentrations of mercury up to ten times higher than the species they consume. ... For example, herring contains mercury levels at about 0.1 parts per million, while shark contains mercury levels greater than 1 part per million.
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Choose lower-mercury fish and seafood, such as salmon, shrimp, cod, and sardines. Avoid higher-mercury fish, such as tilefish from the Gulf of Mexico, shark, swordfish, and king mackerel.
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- Levels of mercury varied between sushi samples, "with some levels as high as 2.0 ppm [parts per million], which makes exposure to mercury from consumption of sushi (or sashimi) less predictable." ... - Eel, crab, salmon and kelp sushi had lower levels of methylmercury.
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Higher levels can damage the kidneys and nervous system in both children and adults. Very high lead levels may cause seizures, unconsciousness and death.
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Exposure to mercury – even small amounts – may cause serious health problems, having toxic effects on the nervous, digestive and immune systems, and on lungs, kidneys, skin and eyes; and it is a threat to the development of the child in utero and early in life.
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However, nearly all fish and shellfish contain traces of mercury. For most people, the risk from mercury by eating fish and shellfish is not a health concern. Yet, some fish and shellfish contain higher levels of mercury that may harm an unborn baby or young child's developing nervous system.
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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.
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Mercury (Hg), also called quicksilver, chemical element, liquid metal of Group 12 (IIb, or zinc group) of the periodic table.
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It is estimated that over 20% of the Ayurvedic medications manufactured and distributed by U.S. and Indian companies contain toxic metals such as lead, mercury, and/or arsenic [5,14]. The contamination of herbal formulations with toxic metals poses potential health risks.
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Tuna contains more mercury than other popular seafood items, including salmon, oysters, lobster, scallops and tilapia ( 1 ). This is because tuna feed on smaller fish which are already contaminated with varying amounts of mercury.
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Most of the popular species of fish and shellfish consumed in the U.S. have been shown to have low mercury levels. Seafood choices that are very low in mercury include: salmon, sardines, pollock, flounders, cod, tilapia, shrimp, oysters, clams, scallops and crab.
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Results of this study together with reports from other countries showed that high mercury levels were usually found in some predatory fish species such as shark, swordfish, marlin, alfonsino and some types of tuna, while lower levels were found in fish such as salmon, sardine, grass carp, mud carp, grey mullet, pomfret ...
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['Cadmium. Cadmium is one of the most toxic HM to most organisms. ... ', 'Zinc. Zinc also occurs in gold ore bodies in the form of sphalerite (ZnS) which is often associated with galena. ... ', 'Lead. ... ', 'Chromium. ... ', 'Nickel. ... ', 'Arsenic. ... ', 'Copper. ... ', 'Mercury.']
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['Children younger than 5.', 'Adults older than 65.', 'People with weakened immune systems.', 'Pregnant women.']
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These symptoms may vary depending on a person's age and exposure levels. Adults with mercury poisoning may experience symptoms such as: muscle weakness. metallic taste in the mouth.