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Methylmercury in Medical News

Landmark USGS study

...tudy documents for the first time the formation of methylmercury in the North Pacific Ocean. It shows that methylmercury is produced in mid-depth ocean waters by processes... the food chain later, predators like tuna receive methylmercury from the fish they consume. One unexpected fin...

Mercury in Fish is a Global Health Concern

...ns around the world shows that internationally accepted exposure levels for methylmercury are exceeded, often by wide margins, in each country and area covered." ... substantially to total dietary exposure. In addition, the study shows that methylmercury hazards still exist where these dietary and local pollutant levels are less...

New Evidence Highlights Dangers of Mercury Toxicity in Fish

...n that should concern everyone in the United States. The FDA's current mercury consumption guidelines are rooted in a study of the victims of a mass methylmercury poisoning in Saddam Hussein's Iraq. While researchers from the University of Rochester and the World Health Organization wrote articles about the effe...

Global Consensus on Mercury: Scientists Defend Science Journalists

...cury exposure levels constitute an important public health problem. -- methylmercury affects nervous system development and there is sufficient evidence to ...ifically for pregnant women and children. -- Long-lasting effects of fetal methylmercury exposure have been documented in children throughout the world. Rather...

Methylmercury in Marine Fish Pose Health Risks to Pregnant Women and Elderly Men

...t the behavior of mercury in marine ecosystems and methylmercury in marine fish, the ingestion of which is the prim...the human fetus. New evidence indicates that methylmercury exposure may increase the risk of cardiovascular d...cosystems and wildlife. The concentration of methylmercury in fish in freshwater and coastal ecosystems can b...

Mercury Contamination (Hotspots) Identified

...tly harmful at ambient levels, it is concentrated up to a millionfold and chemically modified in aquatic food chains, resulting in dangerous levels of methylmercury in some wildlife species. Greater deposition of mercury near areas that are highly sensitive to the element or that are already affected by it cou...

Industrial Chemicals Are Impairing the Brain Development of Children Worldwide

...ased the number of scores less than 70. Today, it’s estimated that the economic costs of lead poisoning in U.S. children are $43 billion annually; for methylmercury toxicity, $8.7 billion each year. “Other harmful consequences from lead exposure include shortened attention spans, slowed motor coordination an...

Dangers Of Mercury

...at there is solid scientific evidence to show that methylmercury has toxic effects, particularly to the developing fetus, and also new evidence that indicates that methylmercury exposure may increase the risk of cardiovascular d...gh levels of omega-3 fatty acids and low levels of methylmercury the study notes. More than 10 percent of t...
Methylmercury in Biological News

To climate-change worries, add 1 more: Extended mercury threat

... Earth via rain, with bacteria and other natural processes converting it to methylmercury in lakes, rivers and oceans. methylmercury builds up through the food chain, with the flesh of the biggest, most sough...

Methylmercury warning

...hint that exposure to the toxic chemicals, such as methylmercury can cause harm at levels previously considered saf... to a much greater extent than the adult brain. methylmercury is a chemical compound formed in the environment from released mercury. Unfortunately, the methylmercury can be transported quickly around the body and may...

Mercury pollution causes immune damage to harbor seals

... methylmercury (MeHg), the predominant form of mercury found in the blood of marine mammals and fish-eating communities, could be more damaging to seals than has pre...

'Fingerprinting' method tracks mercury emissions from coal

...microorganisms convert some of it to methylmercury, a highly toxic form that builds up in fish and the animals that eat them. In wildlife, exposure to methylmercury can interfere with reproduction, growth, development and behavior and may even cause death. Effects on humans include damage to the central nervous...

Waterborne carbon increases threat of environmental mercury

...cteria. These bacteria - Moreau calls them "little methylmercury factories" - absorb inorganic mercury from the water, methylate it and spit methylmercury back out into the environment. "The bacteria ta...management strategies. "Strategies to deal with methylmercury production [should] lead to hopefully more efficie...

International team shows mercury concentrations in fish respond quickly to increased deposition

...ied mercury and mercury already present in the ecosystem and to examine bioaccumulation of mercury deposited to different parts of the watershed. Fish methylmercury concentrations responded rapidly to changes in mercury deposition over the first three years of study. This is good news. It means that a reduction...

New study shows fish respond quickly to changes in mercury deposition

...c deposition resulted in a significant increase in methylmercury production and accumulation in fish in only three ...oading in Canada and the United States, found that methylmercury (the type that accumulates in fish) was more readi... already buried in lake sediments. This means that methylmercury in lakes should decline quickly if mercury deposit...

New study shows fish respond quickly to changes in mercury deposition

...c deposition resulted in a significant increase in methylmercury production and accumulation in fish in only three ...oading in Canada and the United States, found that methylmercury (the type that accumulates in fish) was more readi... already buried in lake sediments. This means that methylmercury in lakes should decline quickly if mercury deposit...

International team shows mercury concentrations in fish respond quickly to increased deposition

...ied mercury and mercury already present in the ecosystem and to examine bioaccumulation of mercury deposited to different parts of the watershed. Fish methylmercury concentrations responded rapidly to changes in mercury deposition over the first three years of study. This is good news. It means that a reduction...

Woman's Day and For Womens of Science

...t the behavior of mercury in marine ecosystems and methylmercury in marine fish, the ingestion of which is the prim...re exposed to this highly toxic form of mercury. methylmercury exposure now constitutes a public health problem in most regions of the world. methylmercury levels in fish-eating birds and mammals in some pa...
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(Date:9/2/2014)... (HealthDay News) -- Complications are rare among breast ... new study indicates. However, the researchers did ... a slightly higher risk for certain complications than ... than 18,000 breast cancer patients who had a ... breast reconstruction and were followed for 30 days ...
(Date:9/2/2014)... can lay the groundwork for their own spread throughout ... send out tumor-welcoming signals, according to a new report ... 2 issue of Nature Communications , the researchers ... of so-called signaling molecules released by breast cancer cells. ... lungs and lymph nodes to produce proteins called CCL5 ...
(Date:9/2/2014)... Australia (PRWEB) September 03, 2014 Operators ... attend to millions of people annually, arranging care and ... not-for-profit and private enterprises are expected to derive $39.4 ... funding, donations and private income. Over the five years ... an annualised rate of 6.6%, including growth of 4.1% ...
(Date:9/2/2014)... (HealthDay News) -- Melatonin supplements did not reduce delirium ... new study found. Many older hospital patients experience ... disruption of their normal sleep-wake cycle. A lack of ... to delirium, but there has been little research into ... study included 378 patients, average age 84, who had ...
(Date:9/2/2014)... Steven Reinberg HealthDay Reporter ... As the Ebola outbreak continues to overwhelm health-care workers ... United States and the United Nations called on Tuesday ... outbreak of the often-fatal virus. Dr. Thomas Frieden, ... Prevention, said that without a greater global commitment in ...
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(Date:9/2/2014)... Cancer Center researchers may have discovered a new way ... vulnerable by deficient DNA repair. , The findings were ... , The study, led by James E. Hansen, ... of Medicine, found that cancer cells with deficient DNA ... genetic damage) were significantly more vulnerable to attack by ...
(Date:9/2/2014)... FL, September 2, 2014 In a new study ... from the Florida campus of The Scripps Research Institute ... cells into unique manufacturing sites for molecules that can ... a cell as a reaction vessel and a disease-causing ... a diseased cell," said TSRI Professor Matthew Disney.,"Because the ...
(Date:9/2/2014)... sequence their genetic information. How is it possible ... parts of the body are so different? While every ... additional regulatory layer exists that determines which of the ... modifications of genome-bound histone proteins or the DNA itself ... top of the genetic information and is thus called ...
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