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171.
Chronic exposure of arsenic via drinking water and its adverse health impacts on humans 总被引:1,自引:0,他引:1
Mohammad Mahmudur Rahman Jack C. Ng Ravi Naidu 《Environmental geochemistry and health》2009,31(Z1):189-200
Worldwide chronic arsenic (As) toxicity has become a human health threat. Arsenic exposure to humans mainly occurs from the
ingestion of As contaminated water and food. This communication presents a review of current research conducted on the adverse
health effects on humans exposed to As-contaminated water. Chronic exposure of As via drinking water causes various types
of skin lesions such as melanosis, leucomelanosis, and keratosis. Other manifestations include neurological effects, obstetric
problems, high blood pressure, diabetes mellitus, diseases of the respiratory system and of blood vessels including cardiovascular,
and cancers typically involving the skin, lung, and bladder. The skin seems to be quite susceptible to the effects of As.
Arsenic-induced skin lesions seem to be the most common and initial symptoms of arsenicosis. More systematic studies are needed
to determine the link between As exposure and its related cancer and noncancer end points. 相似文献
172.
Mohammad Mahmudur Rahman R. Naidu Prosun Bhattacharya 《Environmental geochemistry and health》2009,31(Z1):9-21
The adverse impact of groundwater contaminated with arsenic (As) on humans has been reported worldwide, particularly in Asian
countries. In this study, we present an overview of the As crisis in the Southeast Asian region where groundwater is contaminated
with naturally occurring As and where contamination has become more widespread in recent years. In this region more than 100 million
people are estimated to be at risk from groundwater As contamination, and some 700,000 people are known so far to have been
affected by As-related diseases. Despite investments exceeding many millions of dollars, there are still substantial knowledge
gaps about the prevalence and impact of As, notably in its epidemiology, temporal variations, social factors, patient identification,
treatment, etc. Arsenic-affected people in the affected regions also face serious social problems. Of major concern is the
fact that many researchers from different countries have been conducting research in SE Asia region but with a lack of coordination,
thus duplicating their work. There is an urgent need to coordinate these various studies to ensure better delivery of research
outcomes. Further research is needed to improve field testing and monitoring of drinking water sources, and to develop new
treatments for chronic As toxicity and new sources of safe drinking water. 相似文献