If your New Year's resolution involved flossing you may want to do your homework on which brand to buy before you make your provisions.

According to one study Led by the Silent Spring Institute and the Berkeley Public Health Institute, the famous Oral-B Glide Dental Floss could expose you to high levels of toxic chemicals. Specifically, the authors are concerned about the product containing perfluorooctane sulfonic acids (PFAS), The New York Post reported.

However, a spokesman for Oral-B refuted the findings of the study after their release.

"We confirmed that none of the substances in the report was used in our dental floss," Oral-B spokesman said in a statement sent to Fox News. "The safety of the people who use our products is our top priority, our dental floss is thoroughly tested for safety and we guarantee the safety of all our products."

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According to Centers for Disease Control and Prevention (CDC), PFAS are synthetic chemicals found in non-stick cookware, waterproof clothing, stain-resistant fabrics and carpets, cosmetics, fire-fighting foams and other household products.

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Chemicals do not break down once introduced into the environment, which means that they can be present in the blood of people and animals around the world, leaving researchers concerned about the potential effects of chemicals. 39, a long-term exposure. Several studies have linked PFAS to the risk of certain cancers, thyroid disease, decreased fertility, immune system problems and high cholesterol levels.

The researchers studied blood samples from 178 middle-aged women and evaluated the levels of 11 different PFAS chemicals. They then asked women about nine behaviors that could lead to potential exposure to PFAS and found that women flossing with Oral-B Glide tended to have higher levels of PFAS than women who flossed with Oral-B Glide. did not have any.

"This is the first study to show that the use of dental floss containing PFAS is associated with a higher body burden in these toxic chemicals," said Katie Boronow, a member of the scientific staff of Silent Spring and lead author of the study, according to the New York Post. . "The good news is that based on our findings, consumers can choose wires that do not contain PFAS."

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A representative of Proctor & Gamble, maker of Oral-B products, told The New York Post that consumer safety is the company's number one priority.

"Our dental floss is subject to extensive safety testing and we ensure the safety of all our products," said the representative.

The study was published in the Journal of Exposure Science & Environmental Epidemiology.