1 Introduction. Arsenic (As) is one of the crucial metalloid elements and is recognized as the 20th most profuse element [ 1, 2, 3] present in the earth's crust. …

Nature Reviews Earth & Environment - The use of groundwater with high levels of geogenic contaminants, such as arsenic, has caused severe health impacts …

Arsenic is a known human carcinogen associated with . skin, lung, bladder, kidney, and liver cancer. 3. Long-term exposure to arsenic, even at lower levels, can increase the risk of other types of chronic disease. 4 Arsenic can affect a broad range of organs and systems . including: • Cardiovascular system • Endocrine system • Immune ...

Karin Engström. By Carl Zimmer. March 12, 2015. Around 11,000 years ago, humans first set foot in the driest place on Earth. The Atacama Desert straddles the Andes Mountains, reaching into parts ...

Arsenic is highly toxic in its inorganic form. Contaminated water used for drinking, food preparation and irrigation of food crops poses the greatest threat to public …

Arsenic compounds are still used in select industrial and pharmaceutical products, however. Arsenic exists in various forms: As +3 (inorganic), As +5 (organic), and arsine gas, which is the most toxic form of arsenic; the organic form is the least toxic of the three forms. Most cases of arsenic overdose are from accidental ingestion, suicide ...

It took only 24 hours for about a quarter of a teaspoon of dust mixed with deionized water to raise the dissolved arsenic levels above the health goal. Tests done with the roof and gutter materials, however, did not result in any arsenic leaching into the water. Rainwater harvesting tank in the Bolivian altiplano. Photo: Riley Mulhern.

Topsoil arsenic (As) contamination threatens the ecological environment and human health. However, traditional methods for As identification rely on on-site sampling and chemical analysis, which ...

Arsenic, the chemical element (As) thirty-three in the periodic table, combines with oxygen, chlorine, and sulfur in the environment to form inorganic arsenic compounds. These compounds may be present as solid minerals or dissolved in water. Inorganic arsenic is the most toxic form of arsenic, with arsenic trioxide being the most …

Human exposure to inorganic arsenic (iAs) is a global health issue.Although there is strong evidence for iAs-induced toxicity at higher levels of exposure, many epidemiological studies evaluating its effects at low exposure levels have reported mixed or inconclusive results.To highlight the current state of the science on iAs exposure and health effects, identify the …

The mean level of arsenic in arsenic-exposed mouse skin was 0.19 µg/g, which is lower than levels measured in hair (2.29 µg/g) and nails (4.73 µg/g) from humans exposed to arsenic and within ...

Given the ubiquitous nature of arsenic in the environment combined with growing evidence of health effects at lower levels of exposure to arsenic than previously …

Arsenic exposure and disease. Various studies have demonstrated that pregnant females, fetuses, and neonates suffer adverse pregnancy outcomes when exposed to arsenic ().In utero, inorganic arsenic exposure was positively associated with DNA damage in offspring ().Recent health risk assessments reported that the …

The toxic properties of arsenic (As) were recognized long before Albertus Magnus in the 13 th century prepared its elemental form ( Buchanan, 1962 ). Its use as a poison has …

However, published studies indicate that cooking rice in excess water (from six to 10 parts water to one part rice), and draining the excess water, can reduce 40 to 60% of the inorganic arsenic content, depending on the type of rice. One 2015 study published in PLOS ONE, found a cooking method that reduced arsenic by 85%.

Arsenic is a metalloid. A metalloid is an element that has properties of both metals and non-metals. Metalloids occur in the periodic table on either side of the staircase line that starts between boron and aluminum. When heated in air, arsenic combines with oxygen to form arsenic oxide (As 2 O 3 ).

News. Arsenic is a naturally occurring element, but long-term exposure can cause cancer in people. There has been a substantial amount of research done to address arsenic in groundwater and drinking-water supplies around the country. The USGS studies local and national sources of arsenic to help health officials better manage our water …

open access. Abstract. Arsenic is a naturally occurring and ubiquitously present metalloid in soil, water, food, and the environment. Arsenic exposure to human …

Arsenic contamination in drinking water and associated adverse outcomes are one of the major health issues in more than 50 countries worldwide. The scenario is …

Determinants of grain yield. Under today's climatic conditions with a low soil arsenic content, the rice variety M206 produced 11.5 ± 1.2 g of grain plant −1 (Fig. 1) with grain filling of ...

All about arsenic. Nature Chemistry 3, 744 ( 2011) Cite this article. If ever there was an element that epitomizes the notion that chemicals might be good or bad depending on their use, arsenic ...

Human exposure to inorganic arsenic ( i As) is a global health issue. Although there is strong evidence for i As-induced toxicity at higher levels of exposure, many …

METHODS. We conducted a literature search in PubMed for original research studies evaluating rice consumption and human health outcomes known to be caused by arsenic exposure largely from studies of drinking water contamination including cancers (e.g., of the skin, bladder and lung), and cardiovascular diseases and their precursors or risk factors …

Arsenic is toxic to humans and can affect people of any age or health status. The potential for long-term adverse health effects from consuming food contaminated with arsenic vary depending on the ...

Arsenic, a carcinogenic trace element, threatens not only the health of millions of humans and other living organisms, but also global sustainability. We present here, for the first time, the global industrial-age cumulative anthropogenic arsenic production and its potential accumulation and risks in the environment. In 2000, the …

However, these sources can be contaminated by elevated concentrations of geogenic groundwater contaminants (GGCs) 1, 5, including arsenic (As), fluoride (F – ), selenium (Se) and uranium (U ...

Abstract. Arsenic is a ubiquitous, naturally occurring metalloid that may be a significant risk factor for cancer after exposure to contaminated drinking water, cigarettes, foods, industry, occupational environment, and air. Among the various routes of arsenic exposure, drinking water is the largest source of arsenic poisoning worldwide.

The discovery of the pentavalent arsenic-containing antibiotic arsinothricin, which is effective against multidrug-resistant pathogens, illustrates the future potential of this new class of organoarsenical antibiotics. Keywords: Arsenic, Metalloids, …

Arsenic exerts its toxicity by inactivating up to 200 enzymes, especially those involved in cellular energy pathways and DNA synthesis and repair. Acute arsenic poisoning is associated initially with nausea, vomiting, abdominal pain, and severe diarrhoea. Encephalopathy and peripheral neuropathy are reported. Chronic arsenic …