As the holidays bring more cooking, cleaning and time indoors, new research suggests some everyday exposures may carry hidden health risks. A study from Sweden’s Uppsala University found that higher levels of certain environmental chemicals were linked to increased odds of multiple sclerosis, an autoimmune disease that affects the nervous system.
Researchers focused on PFAS, often called “forever chemicals,” and byproducts of PCBs. PFAS are found in nonstick cookware, stain-resistant fabrics, food packaging and some cleaning products. PCBs were banned decades ago but still persist in the environment. By analyzing blood samples from about 1,800 people, including nearly 900 newly diagnosed with MS, researchers found that those with the highest chemical levels had about twice the risk of developing the disease.
The study does not prove that these chemicals cause MS, but it adds to evidence that environmental exposure may play a role. Holiday habits such as cooking large meals, using nonstick pans, extra cleaning and relying on packaged foods may increase contact with these substances. Researchers say being aware of potential exposures may be an overlooked step in protecting long-term neurological health.
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