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Arsenic contamination of groundwater is a form of groundwater pollution which is often due to naturally occurring high concentrations of arsenic in deeper levels of groundwater. It is a high-profile problem due to the use of deep tube wells for water supply in the Ganges Delta , causing serious arsenic poisoning to large numbers of people.
Consuming the fish that contain these toxins can cause an increase in cancer, immune disorders, and birth defects. [134] However, these toxins are not only found in fish but also in staple foods, drinking water, table salts, toothpaste, and other kinds of seafood.
Throughout the years, many studies reported dose-dependent effects of arsenic in drinking water and skin cancer. In order to prevent new cases and death from cancerous and non-cancerous diseases, the Safe Drinking Water Act directed the Environmental Protection Agency to revise arsenic's levels and specified the maximum contaminant level (MCL).
The types of fish to eat are categorized based on the mercury levels found in fish and the risk to human health. Mercury regulation in the United States limit the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs.
Arsenic poisoning is a global problem arising from naturally occurring arsenic in ground water. The evidence that arsenic may be a beneficial nutrient at trace levels below the background to which living organisms are normally exposed has been reviewed. [ 3 ]
Compared to individuals with the lowest levels, those with the highest levels of omega-3 (or omega-6) are 20% less likely to die of cancer. ... omega-6 levels linked to lower overall cancer risk ...
Researchers from Japan have found that eating small fish such as sardines and whitebait whole may reduce all-cause and cancer mortality risk, at least in women. Eating small fish whole may reduce ...
Increased levels of skin cancer have been associated with arsenic exposure in Wisconsin, even at levels below the 10 ppb drinking water standard. [147] According to a recent film funded by the US Superfund , millions of private wells have unknown arsenic levels, and in some areas of the US, more than 20% of the wells may contain levels that ...