Research finds common “forever chemicals” may impair antibody production, raising broader concerns about immune system resilience.
By yourNEWS Media Newsroom
A new scientific study has found that exposure to per- and polyfluoroalkyl substances, commonly known as PFAS, may significantly weaken the body’s immune response, including its ability to generate antibodies following vaccination.
The research, published in Environmental Research, examined 74 vaccinated adults living in a Michigan community with documented PFAS contamination in its drinking water. Investigators measured levels of the chemicals in participants’ blood and compared them to their immune response after receiving a COVID-19 vaccine.
According to the findings, individuals with higher concentrations of a PFAS compound known as PFHxS had approximately 40% lower antibody levels than those with lower exposure. Researchers said the results indicate a measurable reduction in immune function tied to chemical exposure.
“This reinforces what we know about these contaminants,” said Courtney Carignan, the study’s senior author and an environmental epidemiologist at Michigan State University. “They are immunotoxic, and that these effects persist into adulthood.”
Scientists noted that the vaccine response served as a measurable indicator of immune system performance. The concern, they said, is that reduced antibody production could extend beyond a single virus and affect the body’s ability to respond to a wide range of infections.
PFAS are often referred to as “forever chemicals” because they do not readily break down in the environment or the human body. Over time, they accumulate through repeated exposure. These substances are widely used in industrial and consumer products, including nonstick cookware, stain-resistant materials, food packaging, and certain cosmetics.
The Michigan community studied, Parchment, previously recorded PFAS levels in drinking water reaching 1,410 parts per trillion for two compounds in 2018, significantly exceeding recommended safety thresholds. While such concentrations are not typical nationwide, PFAS exposure remains widespread. Estimates suggest that more than 200 million Americans may encounter these substances through drinking water supplies.
Researchers say the study adds to existing evidence linking PFAS exposure to health concerns such as cancer and hormone disruption, while highlighting its potential impact on immune function in real time.
Regulatory oversight of PFAS remains uneven. Federal standards for certain compounds have been established in recent years, though implementation and enforcement vary. Some states have adopted stricter limits on allowable levels in drinking water.
Public health guidance suggests that individuals can take steps to reduce exposure, including using certified water filtration systems designed to remove PFAS and limiting contact with products known to contain the chemicals. However, experts emphasize that broader regulatory measures are necessary to address contamination at the source.
The findings contribute to ongoing research into how environmental factors influence immune health, with scientists noting that long-term exposure to persistent chemicals may have cumulative effects on the body’s ability to defend against disease.
Source: Natural News
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