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Air Pollution Linked to Autoimmune Disease Risk
17 Dec
Summary
- Air pollution exposure linked to higher anti-nuclear antibody levels.
- Highest pollution exposure increased antibody presence by 46% to 54%.
- Fine particles from pollution can reach the bloodstream, affecting the body.
New research suggests a connection between air pollution and the development of autoimmune diseases, including lupus and rheumatoid arthritis. The study observed that people exposed to particle air pollution exhibited elevated levels of anti-nuclear antibodies, which are characteristic markers of these rheumatic conditions.
Researchers analyzed blood samples from over 3,500 individuals in Canada's Ontario region, comparing their anti-nuclear antibody levels to localized air pollution data. Those with the highest exposure to fine particle pollution showed a 46% to 54% greater likelihood of having elevated antibody levels.
Fine particles, which are 2.5 microns or smaller, can penetrate the bloodstream and affect the entire body. Experts emphasize that this is not solely an urban issue, as wildfires can also contribute to poor air quality in rural and suburban areas, highlighting the need for robust air quality standards.
