PFAS chemicals are toxic to children's development, a new study warns, and more should be done to limit exposure to them.
That's because researchers found that it's the mixture of substances that becomes toxic in humans, and current efforts aim to regulate the substances on a chemical-by-chemical basis. The study offered further cause for concern because it increased children's exposure to the substances and found levels that are toxic to development.
“Our findings were surprising and have broad implications for policy makers trying to mitigate risk,” said lead author Jesse A. Goodrich, PhD, assistant professor at the University of Southern California's Keck School of Medicine, in a. “We found that exposure to a combination of PFAS not only disrupted lipid and amino acid metabolism but also altered thyroid hormone function.”
. Researchers analyzed blood samples from two groups of children and adolescents. All of the 449 young people had a mixture of commons PFAS in their blood that altered metabolism and thyroid function in ways known to impact development and also known to contribute to the risk of adult diseases, such as diabetes, cardiovascular problems, and cancer.
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