منابع مشابه
Northern overexposure.
The top of the world may look pristine, but the Arctic environment and its inhabitants contain surprisingly high levels of heavy metals, persistent organic pollutants such as pesticides, and nuclear radiation. Although the Arctic has few significant pollution sources, the contaminants are swept northward on ocean currents and winds from industrial regions. Once contaminants arrive, low temperat...
متن کاملOverexposure to radiology.
altitude,89 and neurotransmitter depletion'0 and membrane depolarisation" may occur. Fluid shifts'213 and endocrine changes'4 are described, but whether they are cause or effect is not clearly established. Acute mountain sickness usually occurs during the first few days at altitude, before respiratory acclimatisation is complete.'5 During this time renal and perhaps other mechanisms partly corr...
متن کاملManganese toxicity upon overexposure.
Manganese (Mn) is a required element and a metabolic byproduct of the contrast agent mangafodipir trisodium (MnDPDP). The Mn released from MnDPDP is initially sequestered by the liver for first-pass elimination, which allows an enhanced contrast for diagnostic imaging. The administration of intravenous Mn impacts its homeostatic balance in the human body and can lead to toxicity. Human Mn defic...
متن کاملMitigating Overexposure in Viral Marketing
In traditional models for word-of-mouth recommendations and viral marketing, the objective function has generally been based on reaching as many people as possible. However, a number of studies have shown that the indiscriminate spread of a product by word-of-mouth can result in overexposure, reaching people who evaluate it negatively. This can lead to an effect in which the over-promotion of a...
متن کاملMercury overexposure and atrial fibrillation
We read with great interest the article entitled “An arrhythmic episode after mercury exposure and successful treatment with chelation therapy: A case report.” by Karakulak et al. (1) reporting a case of acute mercury (vapor) poisoning followed by 7-day history of malaise, fatigue, proximal weakness in the legs and in the arms, atypical chest pain, and palpitation in a 32-year-old woman in publ...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 1998
ISSN: 0091-6765
DOI: 10.2307/3433773