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Mercury Poisoning Blog

Study Sees No Link Between Mercury Exposure, Autistic Behavior

Posted 23 Jul 2013 by Drugs.com

TUESDAY, July 23 – Children exposed to low levels of mercury in the womb because their mothers ate large amounts of fish during pregnancy don't appear to be at increased risk for autism, a new study suggests. Worry that low levels of mercury might affect a child's developing brain has long been a cause for concern, and some experts have suggested that the chemical element may be responsible for behavioral disorders such as autism. The new findings from more than 30 years of research in the Republic of Seychelles – a group of islands in the western Indian Ocean – found no such link, the study authors said. "This study shows no evidence of a correlation between low level mercury exposure and autism spectrum-like behaviors among children whose mothers ate, on average, up to 12 meals of fish each week during pregnancy," study lead author Edwin van Wijngaarden, associate professor in the ... Read more

Related support groups: Autism, Mercury Poisoning

Mercury Exposure Linked to Raised Diabetes Risk

Posted 8 Apr 2013 by Drugs.com

MONDAY, April 8 – Young adults who have higher levels of mercury in their systems may face a 65 percent increased risk of developing type 2 diabetes later in life, a new study warns. The findings – which are the first to link mercury and diabetes in humans – are alarming in terms of nutrition because eating fish and shellfish is the main source of mercury in people, the researchers added. They noted that nearly all fish and shellfish contain traces of mercury, but they also contain lean protein and other important nutrients, such as magnesium and omega-3 polyunsaturated fatty acids, which could counter the effects of mercury. The study included nearly 3,900 men and women between the ages of 20 and 32 who were free of diabetes in 1987 and followed until 2005. Mercury levels in their toenails were measured, and they were tested for diabetes during the study period. The link between ... Read more

Related support groups: Diabetes, Type 2, Mercury Poisoning

Prenatal Mercury Exposure Tied to ADHD Symptoms in Kids

Posted 8 Oct 2012 by Drugs.com

MONDAY, Oct. 8 – In another sign of the possible dangers lurking in an environmental hazard, new research links mercury exposure in expectant mothers to attention-deficit/hyperactivity disorder (ADHD) symptoms in their children at the age of 8. The research doesn't prove that mercury is directly responsible for the behavioral problems. And it's not clear if the children in the study actually had ADHD, because the study only looked at symptoms, not diagnoses. There's also a twist: Mercury is often found in fish, but those children whose mothers ate more fish during pregnancy appeared to have fewer behavioral problems, according to the report published online Oct. 8 in Archives of Pediatrics & Adolescent Medicine. Overall, the study "adds to concerns about mercury consumption and to evidence about the benefits of fish consumption," said Dr. Susan Korrick, the study's co-author and an ... Read more

Related support groups: Attention Deficit Hyperactivity Disorder (ADHD), Mercury Poisoning

Americans' Exposure to Mercury From Fish Won't Harm Hearts: Study

Posted 24 Mar 2011 by Drugs.com

WEDNESDAY, March 23 – Though repeatedly linked to neurological deficits in children and unborn babies, Americans' level of exposure to mercury from sources such as fish is not associated with a higher risk of heart disease, stroke or other cardiovascular disease, a new study suggests. Building on prior research that produced inconsistent results, scientists from Harvard School of Public Health and Brigham and Women's Hospital in Boston evaluated data from two separate studies on more than 173,000 men and women who answered questions about their medical history, risk factors, disease incidence and lifestyle. The researchers also measured mercury concentrations in the stored toenail clippings – a reliable storehouse of long-term mercury exposure – of nearly 7,000 participants, an equal number of whom had or had not suffered a cardiovascular event during the study follow-up period. The ... Read more

Related support groups: Mercury Poisoning

Poison Experts Turn Phone Line Into a Lifeline

Posted 19 Sep 2010 by Drugs.com

FRIDAY, Sept. 17 – Trained as a registered nurse to work in emergency rooms and intensive care units, Hugh Rawls did just that until sidelined a decade ago by a back injury. Today, he's still working in emergency care, but from a different angle. For the past 10 years, he has helped man the phone lines at the Poison Control Center in Jacksonville, Fla. "In a lot of ways, there's some similarities in the critical thinking I used as a bedside nurse," said Rawls, 45. "Part of my job is not only to think about what's going on right now, but also to think three steps ahead to what could happen. I have to think ahead as to what could happen to this person and where we need to go treatment-wise." People call the center with a wide variety of problems, Rawls said. "This is very similar to working in an emergency room," he said. "You don't know what's going to come up next. One minute it's a ... Read more

Related support groups: Benzodiazepine Overdose, Ethylene Glycol Poisoning, Arsenic Poisoning, Cyanide Poisoning, Organophosphate Poisoning, Anticholinesterase Poisoning, Lead Poisoning - Mild, Arsenic Poisoning - Severe, Acetaminophen Overdose, Iron Poisoning, Gold Poisoning, Mercury Poisoning, Lead Poisoning, Methanol Poisoning, Gold Poisoning - Severe, Iron Poisoning - Chronic, Digitalis Glycoside Toxicity, Lead Poisoning - Severe, Arsenic Poisoning - Mild, Gold Poisoning - Mild

Mercury's Threat Greater in Ocean Fish Than Freshwater: Study

Posted 27 Jun 2010 by Drugs.com

SUNDAY, June 27 – Seawater itself is the reason why mercury in saltwater fish poses more of a health threat to humans than freshwater fish, even though concentrations of the chemical are much higher in freshwater species, according to new research. Duke University researchers found that the potentially harmful form of mercury called methylmercury attaches onto dissolved organic matter in freshwater, but latches onto the salt (chloride) in seawater. Methylmercury is a potent neurotoxin that can cause kidney and brain disorders, and even death, the study authors explained in a university news release. "The most common ways nature turns methylmercury into a less toxic form is through sunlight," study author Heileen Hsu-Kim, an assistant professor of civil and environmental engineering, said in the news release. "When it is attached to dissolved organic matter, like decayed plants or ... Read more

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