Results for: heavy metal Search Results
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Mercury Mercury has no known beneficial role in human metabolism, and its ability to affect the distribution and retention of other heavy metals makes it one of the most dangerous toxic metals (Houston 2011). Mercury toxicity can arise from ingestion of metallic mercury or mercury salts (which are generally poorly bioavailable) or by inhalation of mercury vapor (which is readily absorbed) (ATSDR 2001). The relatively high solubility and stability of certain mercury salts in water enables them to be readily taken up and biotransformed to methylmercury by certain fish; these forms are readily absorbed through the GI tract and are becoming a major source of mercury exposure in humans (Houston 2011). Dimethylmercury, a mercury compound chemically synthesized in the laboratory, can also be absorbed through the skin, and several cases of fatal exposure among laboratory workers have been reported (Nierenberg 1998; Bernhoft 2012). Although humans can excrete small amounts of mercury in urine or feces as well as via exhalation or sweating, they lack an active robust mechanism for mercury excretion, allowing levels to accumulate with chronic exposure (Houston 2011; Sällsten 2000; Houston 2011). Mercury, particularly when inhaled as mercury vapors, can distribute to many organs, but may concentrate in the brain and kidneys (ATSDR 2001). It can also cross the placenta and be found in breast milk (Yang 1997). Mercury exerts its toxic effects by competing with and displacing iron and copper from the active site of enzymes involved in energy production; this induces mitochondrial dysfunction and oxidative damage (Houston 2011). Mercury can also directly accelerate the oxidative destruction of cell membranes and LDL cholesterol particles as well as bind to and inactivate the cellular antioxidants N-acetyl cysteine, alpha-lipoic acid, and glutathione (Houston 2011). Because of its effect on cellular defense and energy generation, mercury can cause widespread toxicity and symptoms
28 Jul 2017
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21:21
Heavy metal toxicity can cause a variety of signs and symptoms. While manifestations of toxicity vary among the many toxic metals, several symptoms are often observed and may be indicative of heavy metal toxicity (Adal 2013): Nausea Vomiting Diarrhea Abdominal pain Central nervous system dysfunction Heart problems Anemia Fingernail or toenail discoloration (Mee’s lines; usually appearing as white stripes running horizontally across the nails) Acute metal toxicity can be a life-threatening medical emergency that may require aggressive treatment in a hospital setting. If you suspect you have been exposed to a toxic metal, seek medical attention immediately. Diagnosis Diagnosing metal toxicities can be difficult; the symptoms and consequences of many, especially chronic toxicities, are non-specific and may resemble other diseases. A careful analysis of dietary, environmental, and occupational exposure history is one of the most important tools in evaluating a potential metal toxicity (Vearrier 2010). Metal testing can be an important aid to confirm or rule out a diagnosis of metal toxicity. Some metal tests include: Blood testing. Commercial blood tests are available for many metals (universally toxic metals, such as lead and mercury, as well as essential metals that are toxic above certain thresholds, such as iron or copper). Blood levels of cadmium and lead are usually indicative of recent exposures and may not reflect whole body burdens (ATSDR 2007b; ATSDR 2012b). For example, in the case of lead, blood levels are only indicative of exposure over the previous 90 days (ATSDR 2007b). In the case of arsenic, which is cleared rapidly from the blood, blood tests may only be reliable during early stages of intoxication (< 7-10 days after exposure) (Rusyniak 2010). There is a poor correlation between blood levels and exposure for aluminum (ATSDR 2008b). Reference ranges for individual tests depend on the laboratory performing the analysis.
5 Aug 2017
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21:20
Unfortunately, your diet may not be sufficient to promote optimal health, and you may not be able to avoid all exposure to heavy metals. However, a variety of nutritional supplements can help. Fish oil supplements can provide the essential fatty acids you body needs – but be sure to ask your provider about heavy metal testing. A reputable company should be able to provide results. Selenium supplementation can help lower the effects of toxic heavy metals such as cadmium, thallium and mercury. Silicon dissolved in mineral water can help your body excrete metals like, cadmium, mercury and lead. Vitamin C and E are powerful antioxidants that protect against oxidative damage from heavy metals such as mercury, cadmium and lead. Probiotics are health-promoting bacteria that can trap and metabolize heavy metals, such as cadmium and lead, to prevent them from having as great of an effect on your health. Best food sources include raw sauerkraut, kombucha and other fermented products like, tempeh and miso. Every year, we see environmental toxins becoming a greater health concern – especially since we know these substances bioaccumulate and cause serious health problems such as nausea and vomiting, anemia, cancer, heart disease plus many brain disorders like, dementia. Making better food choices and engaging in healthier lifestyle habits will dramatically reduce the risk to our health.
21 Jul 2017
30
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2:32
2 years in the works and this work of art is out to an audience of unquestionable requirements, meaning, all supporters of outlandish black metal. Acoustic and melodic moments interval with an impacting lead discharge that brings the whole work an extraordinary vitality on all tracks, giving the entire album a colossal force with sufficiently crude dynamic. Pure Wrath made one the best track collections of the year, a genuine articulation of the black metal spirit underlying foundations. Savage, yet fundamental to the style, Ascetic Eventide music mixes different components along contorted guitar rhythms and a serious drumming impact. The music is melodic with Nordic black metal sinister components discharged in a wicked passionate and melancholic songwriting expression. Pure Wrath is the result of performer Januaryo Hardy closed 4 months in his Insidious Lab studio. Ascetic Eventide runs just six tunes but feels like a ruthless adventure disintegrating basic harmonies overflowing each the track with an underrated artistic presentation.
21 Jul 2017
118
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21:20
Lead: Lead-containing plumbing Lead-based paints (in buildings built before 1978 and is the predominant source for children) Foods grown in lead-rich soil Mercury: Eating fish or shellfish contaminated with methylmercury (includes shark, swordfish, king mackerel, tile fish, bass, walleye, pickerel) Breathing contaminated workplace air or skin contact during use in the workplace Release of mercury vapor from dental amalgam fillings Cadmium Tobacco smoke Eating foods containing cadmium (levels are highest in grains, legumes, and leafy vegetables, fish and shellfish) Contact with cadmium from household products (electric batteries and solar panels)
24 Jul 2017
29
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21:20
The human body is a vastly complex biochemical organism, finely tuned and adaptable. It contains many different regulatory systems to make sure that things work properly in response to external conditions. When it becomes too warm inside the body, the water cooling system is turned up, and more sweat is secreted by the skin. The sweat evaporates, cools the blood underneath the skin, which in turn cools the body core. The sensors in the brain detect that things are back within normal limits, and turn off the sweat glands. This type of regulation (known as homeostasis) occurs for all bodily processes, and usually without any awareness or thought on our part. When external circumstances (like extreme heat or cold) or internal conditions (disease or poisoning) cannot be adjusted by normal mechanisms, the signs of discomfort and disease appear. The types of physical effects seen or felt (signs and symptoms) depend on the type of stress to which the body has been exposed. Because there are so many complex interrelationships between the systems within the body, a single change in any one system may result in numerous effects in other systems. In addition, the types of response to disease are limited, thus signs and symptoms of disease are often quite similar for different diseases. For example, headache, fever, nausea, vomiting and diarrhea are very common non-specific symptoms of disease, produced by many, many conditions. Because of the generality of most physiological responses to disease, many other methods have been developed to help diagnose the actual causes of disease. These methods include physical, biochemical and immunological techniques upon which modern clinical medicine is based. A body's homeostasis can be upset by physical, chemical and/or biological agents which put stress on the body. The body's reaction to prolonged stress depends on the nature of the agent, the degree of stress, and the duration of stress. When the stress is too strong or too long,
30 Jul 2017
27
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21:20
Exposure of the general population to toxic metals may come from the environment or home and can be acute or chronic. It may result from contaminated food, air, water, or dust; living near a hazardous waste site or manufacturing plant that releases metal contaminants; overexposure to metal-containing pesticides, paints, or cosmetics; or improper disposal or cleanup of toxic metal-containing items (such as a broken thermometer). Exposure risks for specific metals include: Lead: Lead-containing plumbing (lead pipes or plumbing solder; in 2007, it was estimated that less than 1% of the public water systems in the United States had lead levels above 5 µg/L) (ATSDR 2007b) Lead-based paints (in buildings built before 1978; this is the predominant source for children) (EPA 2013) Leaded gasoline (although banned in the United States in 1995 for automobiles, previous usage has widely dispersed it in the environment) (Miranda 2011) Foods grown in lead-rich soil (ATSDR 2008a) Mercury: Eating fish or shellfish contaminated with methylmercury (the Food and Drug Administration [FDA] has set a maximum permissible level of 1 part of methylmercury in a million parts of seafood [1 ppm]) (ATSDR 2001). Ocean fish commonly high in mercury include shark, swordfish, king mackerel, and tilefish (Defilippis 2010). Levels of mercury above 1 ppm have also been found in predatory and bottom-dwelling freshwater fish (including bass, walleye, and pickerel) from mercury-contaminated waters (ATSDR 2001) Breathing contaminated workplace air or skin contact during use in the workplace (certain medical and dental treatments as well as chemical or other industries that use mercury) (ATSDR 2000) Release of mercury vapor from dental amalgam fillings (although the FDA deems amalgam fillings safe) (Bernhoft 2012; Jang 2011; Rusyniak 2010; FDA 2009) Contact with elemental mercury from the following household devices: thermometers (the amount of elemental mercury from a broken thermometer spilled in a sm
2 Aug 2017
33
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21:21
These are especially hazardous household items. Buy small quantities. Discard unneeded extras. Make sure they are always out of a child's reach. Medicines: these are OK in the right amount for the right person. They can be dangerous for children who take the wrong medicine or swallow too much. Carbon monoxide: This gas is in fact an invisible killer. Take it seriously. Make sure there's a carbon monoxide alarm in every sleeping area of your home. Button batteries: Be especially mindful of the 20 mm lithium coin cell. When swallowed by children, especially those younger than 4 years, it often lodges in the esophagus causing burns within just 2 hours. A hole in the esophagus may develop and the burn can extend into the trachea or aorta. More than 40 children have died from swallowing button batteries. Iron pills: adult-strength iron pills are very dangerous for children to swallow. Children can start throwing up blood or having bloody diarrhea in less than an hour. Cleaning products that cause chemical burns: these can be just as bad as burns from fire. Products that cause chemical burns include include drain openers, toilet bowl cleaners, rust removers, and oven cleaners. Nail glue remover and nail primer: some products used for artificial nails can be poisonous in surprising ways. Some nail glue removers have caused cyanide poisoning when swallowed by children. Some nail primers have caused burns to the skin and mouth of children who tried to drink them. Hydrocarbons: this is a broad category that includes gasoline, kerosene, lamp oil, motor oil, lighter fluid, furniture polish, and paint thinner. These liquids are easy to choke on if someone tries to swallow them. If that happens, they can go down the wrong way, into the lungs instead of the stomach. If they get into someone’s lungs, they make it hard to breathe. They can also cause lung inflammation (like pneumonia). Hydrocarbons are among the leading causes of poisoning death in children.
7 Aug 2017
27
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21:20
Lead is a highly toxic metal and a very strong poison. Lead poisoning is a serious and sometimes fatal condition. It occurs when lead builds up in the body. Lead is found in lead-based paints, including paint on the walls of old houses and toys. It is also found in: art supplies contaminated dust gasoline products sold outside of the United States and Canada Lead poisoning usually occurs over a period of months or years. It can cause severe mental and physical impairment. Young children are most vulnerable. Children get lead in their bodies by putting the lead containing objects in their mouths. Touching the lead and then putting their fingers in their mouths may also poison them. Lead is more harmful to children because their brains and nervous systems are still developing. Lead poisoning can be treated, but any damage caused cannot be reversed.
8 Aug 2017
24
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2:59
Review: In quite a while I heard a good number of good albums of post black metal and ambient dark metal, and Sorrow Plagues - Homecoming, always stood a bit longer in the player, maybe due to exceptionally satisfying harmonies, or just the symphonic components that give a wider expansion to this musical collection. Into the effective blend, the vocals appear most climatic than average along the dark metal music, demonstrating the band ability to compose and play capacity for making a background melodic soundscape. This collection brings a decent variety of solid black metal with symphonic components as British performer David Lovejoy discharges the crude hostility and its exceptionally inspiring creation of dark metal with the ethereal collection of guitars joined with the symphonic components. The vocals on the album are great, they blend perfectly with the climate for the serenity and sounds so excellently mixed. The very inspiring art of music depicting a wide range of conventions expressed by the music with some black metal focused parts in the tunes blended in with the harmonies you can truly appreciate: like the way the guitars on the assortment of tunes resonate delightfully. Superb! About: Atmospheric/Post-Rock/Black Metal Band Members: David Lovejoy - All Instruments Emile Hinton (Saxophone solo on Homecoming) Lewis White (First Guitar solo on Irreversible)
8 Aug 2017
15
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21:20
Symptoms of lead poisoning are varied. They may affect many parts of the body. Most of the time, lead poisoning builds up slowly. It follows repeated exposures to small quantities of lead. Lead toxicity is rare after a single exposure or ingestion of lead. Signs of repeated lead exposure include: abdominal pain abdominal cramps aggressive behavior constipation sleep problems headaches irritability loss of developmental skills in children loss of appetite fatigue high blood pressure numbness or tingling in the extremities memory loss anemia kidney dysfunction Since a child’s brain is still developing, lead can lead to intellectual disability. Symptoms may include: behavior problems low IQ poor grades at school problems with hearing short- and long-term learning difficulties growth delays
12 Aug 2017
11
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21:21
Lead is a toxic metal that occurs naturally in the Earth’s crust, but its use in activities such as mining, smelting and the burning of fossil fuels has contaminated the environment, leading to human exposure and public health problems in various parts of the world. Lead is also a key component in paint, pigments, gasoline, ammunition, batteries, stained glass, solder, roofing materials and some cosmetics and medicines. Lead poisoning refers to when lead accumulates in the body and causes severe health problems. The accumulating lead is distributed to and stored in the brain, kidneys, liver, bones and teeth. Even very small amounts can lead to problems and at very high amounts, it can cause death. Lead exposure is determined by measuring the amount of lead in the blood and no known level of lead exposure is regarded as safe. Children under 6 years of age are particularly vulnerable to the toxic effects of lead poisoning, which causes profound and permanent problems, particularly ones that affect brain development and the nervous system. Children of this age are particularly vulnerable to lead poisoning because they absorb up to five times more lead when exposed than adults do. Hand-to-mouth behaviors among this age group also increase the risk of objects containing or coated in lead being swallowed. In adults, lead poisoning can also lead to long-term health issues, including hypertension and kidney damage. During pregnancy, lead is released from bone into the blood, which is a source of exposure to the fetus. Pregnant woman who are exposed to high lead levels are at an increased risk of miscarriage, stillbirth and premature birth. Lead poisoning occurs when lead is ingested. Breathing in dust that contains lead can also cause it. You cannot smell or taste lead and it’s not visible to the naked eye. In the United States, lead used to be common in house paint and gasoline. These products are not produced with lead any longer. However, lead is still present every
13 Aug 2017
21
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