Arsenic
Arsenic is a nonessential trace element and well known poison that is found widely in low concentrations in the environment. Typical arsenic concentrations are 2 to 5 parts per billion in soil and sea water. In the United States, the maximal allowable concentration of arsenic in well and drinking water is 50 parts per billion.
Waterborne Arsenic Poisoning Caused by Discarded Slags
What is added by this report? At the end of 2018, a waterborne acute arsenic poisoning event occurred in Yongzhou City of Hunan Province because arsenic-containing slags contaminated the water supply, which resulted in 10 people being poisoned. Patients were poisoned through domestic use of contaminated well water excluding drinking.
Arsenic Toxicity
One of the most significant causes of chronic arsenic toxicity is contaminated drinking water, through erosion of land sources, …
[The establishment of the arsenic poisoning rats model caused …
Objective: To establish coal arsenic poisoning rat model by feeding the rats with the corn powder baked by high arsenic coal as the main raw material. Methods: Fifty Wistar rats, healthy, were randomly divided into 5 groups according to the figures of their weights, including control group, drinking arsenic poisoning water group, low, medium and high …
Heavy Metal Poisoning (Toxicity)
Heavy Metal Poisoning (Toxicity) Heavy metal poisoning (toxicity) is the result of exposure to heavy metals like lead, mercury and arsenic. Heavy metals bind to parts of your cells that prevent your organs from doing their job. Symptoms of heavy metal poisoning can be life threatening and they can cause irreversible damage.
Intracellular Calcium Disturbances Induced by Arsenic and …
Arsenic and its methylated derivatives are contaminants of air, water, and food and are known as toxicants and carcinogens. Arsenic compounds are also being used as cancer chemotherapeutic agents. In humans, inorganic arsenic is metabolically methylated to mono-, di-, and trimethylated forms. Recent findings suggest that the …
A review of arsenic exposure and lung cancer
The capability of arsenic caused lung cancer has been extensively studied in cell-based transformation studies as well. First, short-term arsenic exposure exhibited genotoxic properties in primary human lung epithelial cells, of which the chromosome damage and DNA double strand breaks would induce tumor initiation. 22 The increased …
Arsenic
Arsenic is a naturally occurring substance that can be found in air, water, and soil. It can also be released into the environment by certain agricultural and industrial processes, such as mining and metal smelting. Arsenic comes in two forms (organic and inorganic); the inorganic form is more toxic than the organic form.
Arsenic: The Underrecognized Common Disease-inducing …
Arsenic toxicity is far more of a problem than commonly recognized. At least 10% of the public water supplies contain levels of arsenic known to increase the risk of many chronic diseases, such as cardiovascular disease, many cancers, peripheral neuropathy, and diabetes. Some parts of the country have very high arsenic levels, but because fewer ...
Arsenic Toxicity: Clinical Assessment | Environmental …
Clinical Presentation. Arsenic-associated diseases typically have a long latency period, so that many patients exposed to arsenic are asymptomatic for years. Clinical manifestation of target organ toxicity is based on. route of exposure, dose, chemical form, frequency, duration, and intensity of exposure, and. time elapsed since exposure.
Arsenic | NIOSH | CDC
Arsenic (As) is a white to gray, brittle solid. It occurs naturally in water and soil. Arsenic can be harmful to the eyes, skin, liver, kidneys, lungs, and lymphatic system. Exposure to arsenic can also cause cancer. Workers may be harmed from exposure to arsenic. The level of exposure depends upon the dose, duration, and work being done.
Arsenic Poisoning: Symptoms, Treatment & Safe …
Diagnosis of arsenic poisoning is made by determining inorganic and organic levels of arsenic in the blood and urine. Treatment of arsenic poisoning in acute …
Health Effects of Chronic Arsenic Exposure
The majority of arsenic toxicity in humans is associated with inorganic arsenic. Trivalent arsenite is 2 to 10 times more toxic than pentavalent arsenate is. ... In addition, increased effects may result after lead exposure; thus, caution is required. Neuritis caused by arsenic is a recognized complication of arsenic toxicity, and is known to ...
Arsenic | Medical Management Guidelines | Toxic Substance …
Arsenic trioxide dust is readily absorbed from the lungs, but inhaled quantities are usually insufficient to cause acute systemic toxicity. Arsenic trioxide has no odor and thus provides no warning of hazardous airborne concentrations. Inhalation may present a relevant exposure hazard for other arsenic compounds such as lead arsenate and ...
Arsenic and Your Health fact sheet
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 …
Arsenic Poisoning: Causes, Symptoms & Treatment
Arsenic poisoning occurs when you ingest or consume high levels of arsenic. It shares features of other heavy metal poisonings, including mercury and lead. You can experience arsenic poisoning quickly, but long-term exposure to the element is more common. This may be through … See more
Arsenic
Key facts. Arsenic is naturally present at high levels in the groundwater of several countries. Arsenic is highly toxic in its inorganic form. Contaminated water used …
How does arsenic kill? | Live Science
What is the history of arsenic poisoning? Arsenic is a naturally occurring element that is widely distributed in Earth's crust, according to the Centers for Disease Control and Prevention's (CDC ...
Arsenic poisoning | DermNet
Arsenic compounds are well absorbed within 24 hours and redistributed to the liver, lungs, intestinal wall, and spleen, where they bind to the sulfhydryl groups of tissue proteins. Arsenic also replaces phosphorus in the bone where it may remain for years. Hence, chronic poisoning can be detected years after exposure has stopped.
Arsenic and Cancer Risk | American Cancer Society
Both short- and long-term exposure to arsenic can also cause other health problems. For example: Breathing in high levels of arsenic can cause a sore throat and irritated lungs. Swallowing high levels of arsenic can cause nausea, vomiting, diarrhea, muscle weakness and cramping, skin rashes, and other problems.
Venomous Earth: How Arsenic Caused The World's Worst Mass Poisoning
Boreholes sunk in the 1970s to provide clean water in Bangladesh have tapped into groundwater tainted by naturally occurring arsenic. The result, according to the World Health Organization, may be the 'largest mass poisoning in history, with 35 million people at risk from cancers. As casualties of ignorance, they join a long list.
Health Effects of Arsenic
An epidemic increase in the number of cases of herpes zoster led to the initial suspicion of arsenic as a cause of poisoning among several thousand beer drinkers in the Manchester beer incident of 1900 (Reynolds 1901), when arsenic ingestion might have been 1-5 mg per day for weeks or months. An increased incidence of herpes labialis has been ...
National Institute of Environmental Health Sciences: …
The most common source of arsenic in people is contaminated drinking water. Because arsenic occurs naturally, waters that come in contact with particular …
Arsenic Poisoning Caused by Intentional
A criminal investigation determined that deliberate arsenic contamination of the brewed coffee by one of the church members was the source of the outbreak. ..., title={Arsenic Poisoning Caused by Intentional Contamination of Coffee at a Church Gathering—An Epidemiological Approach to a Forensic Investigation}, author={Kathleen …
Arsenic Toxicity: Practice Essentials, Background, …
Practice Essentials. Arsenic toxicity can occur through industrial exposure (see the image below); from contaminated wine, moonshine, or drinking water; or due to malicious intent. It may also...
Arsenic and Your Health fact sheet
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 afect a broad range of organs and systems including: Cardiovascular system. Endocrine system.
Arsenic Toxicity: How Does Arsenic Induce Pathogenic Change
A small molecule that can easily get into cells, arsenic can cause cell injury and death by multiple mechanisms. Interference with cellular respiration explains the potent toxicity of arsenic. In addition, arsine gas may interact directly with red cell membranes. Arsenic is a known human carcinogen, but the specific mechanisms by which it ...
Arsenic-Induced Carcinogenesis and Immune Dysregulation
2. Skin Manifestations and Skin Cancer due to Chronic Arsenic Exposure. Arsenic leads to profound effects on many organs [].In addition to its direct toxicity, arsenic is a class I carcinogen as declared by the International Agency for Research on Cancer (IARC), and its carcinogenic effects may be mediated by abnormal DNA repair, …
Arsenic April 2021
Chronic (long-term) inhalation exposure to inorganic arsenic in humans is associated with skin, cardiovascular, and neurological effects. Acute oral exposure to inorganic arsenic has resulted in effects on the digestive tract, respiratory tract, central nervous system (CNS), cardiovascular system, liver, and blood and has resulted in death.
Arsenic in India
Long-term intake of arsenic contaminated water leads to arsenic poisoning or arsenicosis, with cancer of skin, bladder, kidney or lung or diseases of skin (colour changes, and hard patches on palms and soles), or blood vessels of legs and feet. ... Arsenic and human health. Arsenic have shown to cause widespread health effects in humans as a ...
