what is the harm of chemical compound lead
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Lead Inorganic lead compounds are Group 2A - Probably carcinogenic to humans. American Conference for Governmental Industrial Hygienists (ACGIH): A3 - Confirmed animal carcinogen. Teratogenicity / Embryotoxicity: DEVELOPMENTAL HAZARD. May harm the unborn child. Known to cause: learning disabilities, effects on behaviour.
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- For other uses, see Lead (disambiguation). Lead is a chemical element with atomic number 82 and symbol Pb (after the Latin plumbum). When freshly cut, it is bluish-white; it tarnishes to a dull gray upon exposure to air. It is a soft, malleable, and heavy metal with a density exceeding that of most common materials.
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Lead Exposure to lead can have a wide range of effects on a child's development and behavior. Even when exposed to small amounts of lead levels, children may appear inattentive, hyperactive and irritable. Children with greater lead levels may also have problems with learning and reading, delayed growth and hearing loss.
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Lead - Pb Lead is a soft metal that has known many applications over the years. It has been used widely since 5000 BC for application in metal products, cables and pipelines, but also in paints and pesticides. Lead is one out of four metals that have the most damaging effects on human health.
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- Causes gastrointestinal irritation with nausea, vomiting and. diarrhea. Ingestion of lead compounds can cause toxic effects in the. blood-forming organs, kidneys and central nervous system, Symptoms. of lead poisoning or plumbism include weakness, weight loss, lassitude, insomnia, and hypotension.
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Lead poisoning Lead poisoning. Lead poisoning is a type of metal poisoning caused by lead in the body. The brain is the most sensitive. Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, inability to have children, and tingling in the hands and feet. It causes almost 10% of intellectual disability of otherwise unknown cause and can result in behavioral problems. Some of the effects are permanent.
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- Phrases. 1  safety first. 2  Used to advise caution. ‘While they have not criticised the actions of the woman in fending off the attacker, police advise the public to always think about safety first.’. ‘The best assistance we can give our emergency services personnel is to put our own safety first every time.’.
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- When lead-based paint peels or is disturbed by you or others, through abrasion or during a renovation project, lead dust can be created. Lead dust is toxic, when ingested or inhaled, and can cause children to develop learning disabilities and behavioral problems, such as hyperactivity, and can even reduce their IQ.
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Lead Lead is a common presence in the environment from both man-made and natural sources, so it is not possible to completely eliminate your exposure to it. But because lead can cause health problems, even aside from its possible link to cancer, it is important to limit your exposure whenever possible. Protect yourself and your family at home. One of the most important ways to lower your exposure to lead is to know about the sources of lead in your home and avoid exposure to these sources.
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- Adults can also be affected by lead. When lead dust is inhaled or ingested, adults can develop high blood pressure, hypertension, kidney problems, digestive issues, memory and concentration problems, and joint and muscle aches, among other conditions. Lead poisoning is, however, completely preventable.
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- Adults. Although children are at greater risk from lead exposure, adult exposures can also result in harmful health effects. 1  Most adult exposures are occupational and occur in lead-related industries such as lead smelting, refining, and manufacturing industries.dults. Although children are at greater risk from lead exposure, adult exposures can also result in harmful health effects. 1  Most adult exposures are occupational and occur in lead-related industries such as lead smelting, refining, and manufacturing industries.
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Lead Poisoning - Topic Overview Lead poisoning can damage the brain, kidneys, and nervous systems of young children. Even low levels of lead in a child's body can cause learning and behavioral problems. Very high levels can cause retardation, convulsions, and coma.
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- Scientists know that lead exposure during childhood harms the developing brain and nervous system, but it is not clear if childhood lead exposure has long-lasting effects on adult brain function. Changes in adult intelligence quotients – IQs – is a way to measure effects of lead and other neurotoxic substances.
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Learn about Lead What are the Health Effects of Lead? Lead can affect almost every organ and system in your body. Children six years old and younger are most susceptible to the effects of lead. Children. Even low levels of lead in the blood of children can result in: Behavior and learning problems; Lower IQ and Hyperactivity; Slowed growth; Hearing Problems; Anemia
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Lead poisoning Lead poisoning. Lead poisoning is a type of metal poisoning caused by lead in the body. The brain is the most sensitive. Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, inability to have children, and tingling in the hands and feet. It causes almost 10% of intellectual disability of otherwise unknown cause and can result in behavioral problems. Some of the effects are permanent. In severe cases anemia, seizures, coma, or death may occur. Exposure to lead can occur by contaminated air, water, dust, food, or consumer products. Children are at greater risk as they are more likely to put objects in their mouth such as those that contain lead paint and absorb a greater proportion of the lead that they eat.
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Lead poisoning Lead poisoning is a type of metal poisoning caused by lead in the body. The brain is the most sensitive. Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, inability to have children, and tingling in the hands and feet.
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- The levels set by Prop 65 at which a warning must be provided are very stringent. For listed chemicals that are reproductive toxicants, such as lead, the level triggering a warning is, by law, 1000 times lower than the highest level of lead known by California NOT to cause reproductive harm.
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How Does Lead Affect Our Environment? Environmental Quality. Lead released into the environment makes its way into the air, soils, and water. Lead can remain in the environment as dust indefinitely. The lead in fuels contribute to air pollution, especially in urban areas. Soils near highways, freeways, and smelting facilities have higher levels of lead than soils in other areas because of their exposure to lead dust, which accumulates over time. Plants exposed to lead can absorb the metal dust through their leaves.
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Lead Poisoning: Causes, Symptoms, & Treatments In adults, lead poisoning can lead to numerous health problems including damage to the brain, nervous system, and stomach. When children have high levels of lead in their systems, they can develop problems with growth and learning that will affect them the rest of their lives.
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THE DANGERS OF LEAD PAINT Even children who appear healthy can have dangerous levels of lead. People can get lead in their body if they: put their hands or other objects covered with lead dust in their mouths, eat paint chips or soil that contain lead, or breathe in lead dust (especially during renovations that disturb painted surfaces).
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- And it's important for kids at risk of exposure to undergo blood tests for lead — many people with lead poisoning show only mild symptoms or even no symptoms at all. Why Is Lead Harmful? Whether it's inhaled, swallowed, or, more rarely, absorbed through the skin (just by touching a product that contains lead), lead can act as a poison.
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- High levels of lead in America’s air led to the banning of it from gasoline in the mid-1980s. Lead is a neurotoxin that interferes with fetal and childhood development. It can impair reproductive health and cause high blood pressure. In adults it can cause memory problems and high blood pressure. It’s also a probable carcinogen. According to the Centers for Disease Control, “No safe blood lead level has been identified.” For more, see here, here, and here.
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Lead poisoning and health Much of the lead in global commerce is now obtained from recycling. Young children are particularly vulnerable to the toxic effects of lead and can suffer profound and permanent adverse health effects, particularly affecting the development of the brain and nervous system. Lead also causes long-term harm in adults, including increased risk of high blood pressure and kidney damage. Exposure of pregnant women to high levels of lead can cause miscarriage, stillbirth, premature birth and low birth weight, as well as minor malformations. Sources and routes of exposure
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- Lead is a toxic substance that can affect people of any age. It is especially harmful to children, pregnant women, and unborn babies. Lead accumulates in your body, so even small amounts can pose a health hazard over time. Lead is used in the glazes or decorations covering the surface of some ceramic dishes.
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Thesis and Purpose Statements Use the guidelines below to learn the differences between thesis and purpose statements. In the first stages of writing, thesis or purpose statements are usually rough or ill-formed and are useful primarily as planning tools. A thesis statement or purpose statement will emerge as you think and write about a topic. The statement can be restricted or clarified and eventually worked into an introduction.