{"id":20370,"date":"2023-03-23T10:55:13","date_gmt":"2023-03-23T09:55:13","guid":{"rendered":"https:\/\/bestelements.de\/?p=20370"},"modified":"2023-03-23T10:55:13","modified_gmt":"2023-03-23T09:55:13","slug":"studie-prostatakrebs-langzeitbelastung-durch-nitrat-und-chlor-im-trinkwasser","status":"publish","type":"post","link":"https:\/\/bestelements.de\/en\/studien\/studie-prostatakrebs-langzeitbelastung-durch-nitrat-und-chlor-im-trinkwasser\/","title":{"rendered":"Prostate cancer study: Long-term exposure to nitrate and chlorine in drinking water"},"content":{"rendered":"

Nitrate and trihalomethanes (THM) in drinking water are common and potentially carcinogenic to humans. One study examined the relationship between nitrate pollution in drinking water and THMs and their impact on prostate cancer.<\/p>\n<\/div>

62.230<\/div><\/div><\/div><\/div>

Prostate cancer is the most common cancer in men in Germany. In 2017, 62,230 new cases were diagnosed in Germany<\/em><\/p>\n<\/div>

<\/i><\/span>The results suggest that long-term intake of nitrate from water could be a risk factor for prostate cancer, particularly aggressive tumors. An association with THM may indicate that administration may be relevant to prostate cancer. (Source doi.org\/10.1289\/EHP11391)<\/span><\/div><\/div>
Nitrate gets into the soil and thus into the groundwater via nitrogen fertilization (e.g. through liquid manure fertilization) in agriculture. THM is created by disinfecting drinking water with chlorine. Chlorine is used as soon as bacterial contamination is present – and that happens relatively often in Germany, as daily press reports<\/a> show. Both substances – nitrate and trihalomethanes – are among the most common contaminants in water.<\/div>\n
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Rising levels of nitrates in water from intensive agriculture are increasing worldwide and are a growing problem. Nitrate levels in the water cycle are increasing worldwide due to increased use of nitrogen fertilizers and intensive agriculture.<\/div>\n
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Human intake of nitrate occurs mainly through food and drinking water. Ingested nitrate is reduced to nitrite and is likely to be carcinogenic to humans under conditions leading to endogenous nitrosation. There are limited epidemiological studies aimed at uncovering the relationship between nitrate exposure from drinking water and cancer, and so far consistent evidence has only been found for colorectal cancer.<\/p>\n<\/div>\n<\/div>

Nitrate and chlorine in drinking water are carcinogenic<\/h2><\/div>
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Disinfectants added to raw water to inactivate microbial pathogens lead to the formation of several disinfection by-products (DBPs). DBPs are a complex mixture of chemicals formed as byproducts of the reactions of disinfectants applied to drinking water. Chlorine is the most widely used disinfectant in the world, and trihalomethanes (THM) and haloacetic acid are the DBPs formed in the highest concentrations after chlorination. The chlorination of water containing ammonia produces chloramines, which in turn lead to the formation of nitrogenous by-products such as the carcinogenic N-nitrosamines. Several DBPs are genotoxic in vitro and carcinogenic in animal studies, and IARC has classified some DBPs as possible human carcinogens.<\/p>\n<\/div>\n

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Water filter for pure drinking water overview<\/u><\/a><\/small><\/small><\/small><\/h1><\/div>

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Drinking water filter devices against contamination<\/h2><\/div>