The best way to prevent dietary mercury poisoning is to take care with the amounts and types of seafood that you eat.
You can also:. Fish is one of the most nutritious foods you can eat, but some types of fish contain high levels of mercury. Does it mean you need to avoid all fish? Tuna is a popular and nutritious saltwater fish, but you may worry about its mercury content. This article reviews mercury in tuna and tells you…. Many popular foods are made with raw fish, including sushi.
Raw fish is highly nutritious but there are some risks, especially for pregnant women. We break down some of the basics surrounding what masculinity is, how it harms men, and what we can do about it. Ruined orgasms are about control, domination, and power.
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Understanding Mercury Poisoning. Medically reviewed by Daniel Murrell, M. Symptoms of mercury poisoning. Complications of mercury poisoning. Causes of mercury poisoning.
Other causes. Diagnosing mercury poisoning. Mercury poisoning treatment. Some communities eat significantly more quantities of fish than the general population. As a result, they may be exposed to much greater mercury contamination than the general population. In past outbreaks of methylmercury poisoning, mothers with no symptoms of nervous system damage gave birth to infants with severe disabilities.
This presented evidence that the nervous system of a developing infant may be more vulnerable to methylmercury exposures than an adult nervous system. Mothers who are exposed to methylmercury and breast-feed may also expose their infant children through their milk. Common exposures: When most exposures to metallic mercury occur, they occur because mercury is released from a container, or from a product or device that breaks.
If the mercury is not immediately contained or cleaned up, it can evaporate, becoming an invisible, odorless, toxic vapor.
Exposures may occur when people breathe this vapor and inhale it into their lungs. Poorly ventilated, warm, indoor spaces are of particular concern in cases of airborne mercury vapors. Note that where metallic mercury generally is contained in glass or metal, it does not pose a risk unless the product is damaged or broken and mercury vapors are released.
Less common exposures: On rare occasions, people can suffer serious health consequences after exposures to very high levels of mercury vapor, especially if the exposure has occurred over a prolonged period.
Two examples of very high exposures, with serious health effects:. Other compounds of mercury, like phenylmercury acetate and ethylmercury, have been commonly used as fungicides, preservatives, antiseptics e. They have also been used in a variety of products. Most uses have been discontinued. For unborn babies, infants and children this is especially damaging as their brains and nervous systems are developing. Methylmercury poisoning can cause disturbances in:.
This type of poisoning is most likely to occur if there is a spill of mercury from a thermometer or other mercury-containing device. Poisoning is often caused by inhaled mercury vapour, especially in places where there is poor ventilation.
Symptoms include:. This type of poisoning is more likely to be related to industrial exposure. Symptoms of inorganic mercury poisoning include:. Poisoning from methylmercury can take weeks or months to appear. A chemical spill with elemental mercury or inorganic mercury might give you symptoms more rapidly.
Mercury poisoning is diagnosed by testing your blood and urine for mercury levels. Urine might be collected over a hour period. Your doctor will ask about the history of your possible exposure and may also monitor your temperature, pulse rate, blood pressure and breathing. If mercury poisoning is suspected, treatment might begin before the diagnosis is confirmed. This is because the test results can take some time to come back to the doctor.
If mercury poisoning is suspected in people who are critically ill, your doctor will most likely treat you with chelation therapy, no matter what form of mercury caused the poisoning.
Chelation therapy is made up of compounds that enter your bloodstream and bind to the mercury so that it can be eliminated by your body. This page has been produced in consultation with and approved by:. When returning to a flood-affected area, remember that wild animals, including rats, mice, snakes or spiders, may be trapped in your home, shed or garden.
When returning to your home after a flood, take precautions to reduce the possibility of injury, illness or disease. Around 75 per cent of Melbourne's air pollution is caused by vehicle emissions. Allergy occurs when the body overreacts to a 'trigger' that is harmless to most people. Mine tailings near goldmines may contain high levels of arsenic. Content on this website is provided for information purposes only. Information about a therapy, service, product or treatment does not in any way endorse or support such therapy, service, product or treatment and is not intended to replace advice from your doctor or other registered health professional.
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Summary Read the full fact sheet. On this page. Mercury in the environment Reducing exposure to mercury People at risk of exposure to mercury Pink disease Symptoms of mercury poisoning Diagnosis of mercury poisoning Treatment of mercury poisoning Where to get help Things to remember.
In our environment, the three forms of mercury present are: elemental metal — such as in mercury thermometers and dental fillings organic compound — mercury is converted by bacteria in the water into methylmercury and this enters the fish food chain inorganic compound — naturally present in coal, mercury is released into the air when coal is burned to generate power. Reducing exposure to mercury There are a number of precautions that you can take to minimise your exposure to mercury while also reducing the amount of mercury in our environment.
Reducing exposure to mercury from fish Educate yourself about the types of fish that are more likely to contain higher levels of mercury. These include: shark flake orange roughy swordfish marlin southern bluefin tuna gemfish ling. Reducing exposure to mercury from fluorescent bulbs and lamps In , new standards were introduced for low-energy bulbs in Australia.
Broken tubes, bulbs or lamps can be cleaned up as follows: Air ventilate the room. Wear gloves and scoop up all the glass fragments and powder. Put all the broken globe or tube into a rigid, sealed container. Use sticky tape to pick up any remaining small glass fragments and powder.
Wipe the area clean with damp paper towels or disposable wet wipes and place them in a glass jar or plastic bag. Continue to air the room for 12 to 24 hours. Dispose of the mercury and any contaminated items in the rubbish, not in the recycling bin. Reducing exposure to mercury from thermometers and other devices Spirit-containing thermometers are now widely available, but some people still use thermometers containing silver mercury.
The procedure includes the following steps: Clear the room of people and pets.
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