LYCOS RETRIEVER 
Arsenic: Skin
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Arsenic is a known carcinogen (cancer-causing agent). Breathing inorganic arsenic increases the risk of lung cancer. Ingesting inorganic arsenic increases the risk of skin cancer and tumors of the bladder, kidney, liver, and lung.
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Arsenic is highly toxic! May cause burning in esophagus, vomiting, and bloody diarrhea. Symptoms of cold and clammy skin, low blood pressure, weakness, headache, cramps, convulsions, and coma may follow. May cause damage to liver and kidneys. A suspected fetal toxin. Death may occur from circulatory failure.
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Arsenic poisoning is usually determined by a hair analysis. If arsenic is found in the hair follicles it will stay there for years. If it is in your hair follicles it is usually in your body as well. Arsenic is ... deposited in the fingernails and skin.
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Arsenic trioxide is ... readily absorbed by the digestive system and lung tissue, and is highly toxic. Inhalation of dust or fumes, or even skin contact, has resulted in toxicity. Most is eliminated rapidly, with a half-life of about 1-2 days, but as much as 30-40% in cases of repeated exposure is incorporated into tissues rich in keratin like bone, muscle, skin, hair, and nails, and takes weeks or months to eliminate, providing forensic evidence in crimes.
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