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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.
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.
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 challenge of defining an acceptable level of perchlorate in drinking water sets two opposing groups with significantly different views against each other. In a draft risk assessment made in 2002, EPA suggested that levels higher than 1 part per billion (ppb) pose a health risk.
The EPA and ODNR have been monitoring air and water contaminants since the accident and have reported that the detected levels are not significant enough to cause lasting effects to residents.
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.
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 ...
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 ...