Arsenic is a naturally occurring element widely distributed in the earth’s crust. In the environment, arsenic is combined with oxygen, chlorine, and sulfur to form inorganic arsenic compounds. Arsenic in animals and plants combines with carbon and hydrogen to form organic arsenic compounds.
Breathing high levels of inorganic arsenic can give you a sore throat or irritated lungs.
Ingesting very high levels of arsenic can result in death. Exposure to lower levels can cause nausea and vomiting, decreased production of red and white blood cells, abnormal heart rhythm, damage to blood vessels, and a sensation of “pins and needles” in hands and feet.
Ingesting or breathing low levels of inorganic arsenic for a long time can cause a darkening of the skin and the appearance of small “corns” or “warts” on the palms, soles, and torso.
Lead in goat blood might not be on the top of your shopping list, but for U.S. medical personnel who each year perform more than 2 million human blood measurements, Standard Reference Material (SRM) 955c from the National Institute of Standards and Technology (NIST) can't be beat.
Death rates from lung and bladder cancer remained high decades after residents in northern Chile were exposed to high levels of arsenic in their drinking water, according to a new study by researchers from the University of California, Berkeley, and the Pontificia Universidad Cat'lica de Chile in Santiago.
Through participation in a government-sponsored multi-year study, researchers at the Comprehensive Cancer Center at Wake Forest University have helped confirm that arsenic trioxide ,marketed as Trisenox, significantly improves patient survival when coupled with standard chemotherapy treatment in newly diagnosed patients with acute promyelocytic leukemia, or APL.
Authorities in the UK have given approval for an anti-smoking pill to be available on the National Health Service (NHS).
Research led by Dartmouth scientists found that animals fed nutritious, high-quality food end up with much lower concentrations of toxic methylmercury in their tissues.
Pets may not be the only organisms endangered by some food additives.
The Food and Drug Administration (FDA) is re-issuing its warning to consumers not to drink "Jermuk" brand mineral water due to the risk of exposure to arsenic, a toxic substance and a known cause of cancer in humans.
For the first time, researchers have been able to show that mothers who drink water containing arsenic run an increased risk of having a miscarriage or losing their child in its first year. This has been demonstrated by a research team from Sweden and Bangladesh in an article published last Saturday in the Net edition of American Journal of Epidemiology.
The Food and Drug Administration (FDA) is warning consumers not to drink certain brands of mineral water imported from Armenia due to the risk of exposure to arsenic, a toxic substance and known cause of cancer in humans.
New research shows that a recently discovered enzyme that destroys the messenger RNA (mRNA) for some proteins can also help to protect the mRNA during times of stress. The response might help cancer cells survive chemotherapy and radiation therapy.
Millions of people are exposed to excessive amounts of fluoride through drinking water contaminated from natural geological sources. As a result, many suffer conditions ranging from mild dental fluorosis to crippling skeletal fluorosis.
According to a new report toxic chemicals may be causing a pandemic of brain disorders because of inadequate regulation.
Mailman School of Public Health study provides evidence that a population exposed to well water with arsenic concentrations of as little as 50 ug/l is at risk for skin lesions.
Dartmouth researchers, working with scientists at the University of Arizona and at the Department of Natural Resources in Sonora, Mexico, have published a study on the impact of arsenic exposure on DNA damage.
Children who are exposed to high levels of arsenic in their drinking water are seven to 12 times more likely to die of lung cancer and other lung diseases in young adulthood, a new study by University of California, Berkeley, and Chilean researchers suggests.
Up to two-thirds of all cancers may be prevented through dietary and lifestyle changes. In the case of skin cancer, this could not be more true.
Exposure to toxic elements leads to worrying health problems in many parts of the world, including Europe.
Tobacco smoke in enclosed spaces is not simply a nuisance: it is a threat to health with fatal consequences. This is the conclusion reached by the German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ) in its latest publication.
The floodwaters that inundated New Orleans immediately following Hurricane Katrina were similar in content to the city’s normal storm water and were not as toxic as previously thought, according to a study by researchers at Louisiana State University.
Multi-vitamin products, nutritional supplements and parents tout the need for such mineral elements as calcium, zinc, phosphorus, iron and others.
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