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Health department finds correlation between chemicals in water, body

Higher levels of perfluorochemicals in drinking water correlate with higher levels of the chemicals in the blood, a new analysis by the Minnesota Department of Health found.

The analysis looks at data collected in a 2009 biomonitoring study, which included residents of Cottage Grove with private wells.

The amount of the chemicals found in the drinking water does not entirely determine the amount found in blood, though, according to a briefing on the analysis. Other factors included other exposure to perfluorochemicals (such as nonstick cookware and stain resistant products).

Other studies have shown that over time the levels of perfluorochemicals in people's blood have been decreasing, likely because companies have stopped or reduced their use of certain perfluorochemicals since 2000, the briefing says.

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