![]() ![]() This may lead to an increased risk of heart problems, including heart attack and coronary heart disease. Mercury helps promote the accumulation of free radicals in the body, which puts the cells at risk for damage. Possible effects of mercury poisoning include deformity and a decreased survival rate of the fetus, and reduced growth and size of the newborn at birth. It may cause reduced sperm count or decreased fertility and may also cause problems with the fetus. Mercury poisoning also poses a risk to the reproductive system. These effects may be more pronounced in children who are still developing.Ī study in the Journal of Preventive Medicine and Public Health noted that many incidents of mercury poisoning have led to long-term nerve damage, which can cause: High levels of mercury in the blood may put a person at risk for long-term neurological damage. Share on Pinterest Mercury poisoning may cause slow reflexes, damaged motor skills, and intelligence disorders. However, in some cases, mercury poisoning comes on quickly and is associated with a specific incident.Īnyone who experiences a sudden onset of mercury poisoning symptoms should call a doctor or poison control. Mercury poisoning tends to develop slowly over time if a person comes into frequent contact with mercury. being physically unaware of their surroundings.difficulties learning to speak or understanding language.Children with mercury poisoning may show symptoms such as: Mercury can also affect a child’s early development. difficulty walking or standing straight.inability to feel in the hands, face, or other areas.lack of motor skills or feeling uncoordinated.Adults with mercury poisoning may experience symptoms such as: ![]() These symptoms may vary depending on a person’s age and exposure levels. "This study brings together different kinds of data with models in a way that will have a direct impact on how we manage fisheries," says Hedy Edmonds, a program director in NSF's Division of Ocean Sciences, which funded the research.Mercury may affect the nervous system, leading to neurological symptoms such as:Īs the levels of mercury in the body rise, more symptoms will appear. "Being able to predict the future of mercury levels in fish has been difficult to answer because, until now, we didn't have a good understanding of why methylmercury levels were so high in big fish," said Amina Schartup, first author of the paper.īased on the new model, the researchers predict that an increase of 1 degree Celsius in seawater temperature, relative to the year 2000, would lead to a 32% increase in methylmercury levels in cod and a 70% increase in spiny dogfish. "This research is a major advance in understanding how and why ocean predators, such as tuna and swordfish, are accumulating mercury," said Elsie Sunderland, senior author of the paper. The findings are published in the journal Nature. The researchers found that, while the regulation of mercury emissions has successfully reduced methylmercury levels in fish, spiking temperatures are driving those levels back up and will play a major role in the methylmercury levels of marine life in the future. The scientists developed a first-of-its-kind, comprehensive model that simulates how environmental factors, including increasing ocean temperatures and overfishing, affect levels of methylmercury in fish. Add another item to the ever-growing list of the dangerous impacts of climate change: Warming oceans are leading to an increase of the harmful neurotoxicant methylmercury in popular seafood, including cod, Atlantic bluefin tuna and swordfish, according to research led by researchers at Harvard University.
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