European journal of neurology · 2025
Impact of Marine Microplastics on Neurologic and Functional Disabilities: A Population-Level Study.
СтатьяНазвание и аннотация: Перевод в очереди
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Makwana Bhargav, Desai Brinda, Srinivasan Jayashri, Apetauerova Diana, Dani Sourbha S, Sehgal Siddharth, Yerstein Oleg, Khadke Sumanth, Kumar Ashish, Nasir Khurram, Wadhera Rishi, Kong Yixin, Navas-Acien Ana, Adamkiewicz Gary, Rajagopalan Sanjay, Al-Kindi Sadeer, Moffatt-Bruce Susan, Ganatra Sarju
Аннотация
BACKGROUND: Microplastics are emerging as environmental pollutants with potential neurotoxic effects, yet their association with neurological disabilities remains largely unexplored.
METHODS: In this cross-sectional study comprising 218 coastal counties in the United States, we compared the self-reported prevalence of cognitive disability, mobility disability, self-care disability, and independent living disability in counties with very high and low marine microplastic levels (MMLs). Unadjusted and adjusted prevalence ratios (PRs) were computed using population-weighted quasi-Poisson regression across three different models to examine the relationship between disability prevalence and MMLs.
RESULTS: Counties exposed to very high marine microplastic levels had a higher mean prevalence of self-reported cognitive disability (15.2% vs. 13.9%), mobility disability (14.1% vs. 12.3%), self-care disability (4.2% vs. 3.6%), and independent living disability (8.5% vs. 7.7%) compared to those exposed to low levels (p < 0.001). Regression analyses revealed significantly elevated adjusted prevalence ratios (PRs) for cognitive (PR: 1.09 [95% CI: 1.06-1.12], p < 0.001), mobility (PR: 1.06 [1.03-1.10], p < 0.001), self-care (PR: 1.16 [1.11-1.20], p < 0.001), and independent living disability (PR: 1.08 [1.05-1.12], p < 0.001) in counties with very high microplastic exposure compared to those with low exposure.
CONCLUSIONS: This study highlights a significant association between marine microplastic pollution and the self-reported prevalence of cognitive, mobility, self-care, and independent living disabilities at the county level. While merely associative, these findings emphasize the urgent need for further investigation into the individual-level health impacts of microplastic exposure and underscore the importance of environmental interventions to mitigate potential risks.
METHODS: In this cross-sectional study comprising 218 coastal counties in the United States, we compared the self-reported prevalence of cognitive disability, mobility disability, self-care disability, and independent living disability in counties with very high and low marine microplastic levels (MMLs). Unadjusted and adjusted prevalence ratios (PRs) were computed using population-weighted quasi-Poisson regression across three different models to examine the relationship between disability prevalence and MMLs.
RESULTS: Counties exposed to very high marine microplastic levels had a higher mean prevalence of self-reported cognitive disability (15.2% vs. 13.9%), mobility disability (14.1% vs. 12.3%), self-care disability (4.2% vs. 3.6%), and independent living disability (8.5% vs. 7.7%) compared to those exposed to low levels (p < 0.001). Regression analyses revealed significantly elevated adjusted prevalence ratios (PRs) for cognitive (PR: 1.09 [95% CI: 1.06-1.12], p < 0.001), mobility (PR: 1.06 [1.03-1.10], p < 0.001), self-care (PR: 1.16 [1.11-1.20], p < 0.001), and independent living disability (PR: 1.08 [1.05-1.12], p < 0.001) in counties with very high microplastic exposure compared to those with low exposure.
CONCLUSIONS: This study highlights a significant association between marine microplastic pollution and the self-reported prevalence of cognitive, mobility, self-care, and independent living disabilities at the county level. While merely associative, these findings emphasize the urgent need for further investigation into the individual-level health impacts of microplastic exposure and underscore the importance of environmental interventions to mitigate potential risks.