A research team affiliated with the American Heart Association has identified the presence of micro- to nanoscale plastics within arterial plaque in patients with neck artery clogging, also known as atherosclerosis. This finding was published on ScienceDaily in April 2025. The study's authors analyzed tissue samples from individuals undergoing surgical procedures for carotid endarterectomy, a common treatment for severe atherosclerosis.
The detection of microplastics within arterial plaque highlights the potential for plastic pollution to contribute to cardiovascular disease. Atherosclerosis is a condition characterized by the buildup of fatty deposits and other substances in the arteries, leading to inflammation and narrowing of the blood vessels. The presence of foreign particles such as plastics may exacerbate this process, promoting further inflammation and tissue damage.
The implications of this study are significant, suggesting that exposure to microplastics may be an additional risk factor for cardiovascular disease. Further research is needed to fully understand the relationship between plastic pollution and atherosclerosis, but these findings underscore the importance of reducing plastic waste and mitigating its environmental impact.
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