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American Focus > Blog > Health and Wellness > Tiny plastic particles found in artery-clogging plaque in the neck
Health and Wellness

Tiny plastic particles found in artery-clogging plaque in the neck

Last updated: April 23, 2025 6:27 am
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Tiny plastic particles found in artery-clogging plaque in the neck
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Plastic particles found in artery-clogging plaque in the neck have been a topic of recent research presented at the American Heart Association’s Vascular Discovery 2025 Scientific Sessions. This study revealed that individuals with plaque in their neck arteries had a higher concentration of micronanoplastics compared to those with healthy arteries. The presence of these tiny plastic particles was particularly elevated in individuals who had experienced a stroke, mini-stroke, or temporary loss of vision due to blocked blood vessels.

Micronanoplastics are minuscule plastic particles that are a byproduct of industrial processes or the breakdown of larger plastic objects in the environment. These particles, which consist of a mixture of micro and nano plastic sizes, can enter the food chain and accumulate in living organisms over time. While microplastics are visible to the naked eye, nanoplastics are microscopic in size, making them capable of penetrating cells and tissues within organisms.

Lead author of the study, Dr. Ross Clark, emphasized that the main source of micronanoplastics is not just plastic items like utensils and packaging, but also the food and water consumed by individuals. The research conducted in Italy in 2024 found micronanoplastics in plaque from individuals without symptoms who underwent surgery to remove carotid artery plaque.

The study compared levels of micronanoplastics in the carotid arteries of three groups: those with healthy arteries, individuals with plaque but no symptoms, and those experiencing symptoms due to plaque buildup. The analysis revealed a significant increase in micronanoplastics in the plaque of individuals with symptoms compared to those without symptoms.

Furthermore, the study examined the effects of micronanoplastics on markers of inflammation, gene activity in immune cells, and stem cells that stabilize plaque. The findings indicated that the presence of micronanoplastics in artery plaque was associated with differences in gene activity and immune responses within the plaque.

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Dr. Clark acknowledged the complexity of the biological effects of micronanoplastics on fatty deposits in arteries and emphasized the need for further research to understand their immunological effects. While the study highlighted a potential association between micronanoplastics and symptomatic carotid atherosclerosis, more investigation is required to fully comprehend the implications of these findings.

The study, although limited in sample size and scope, provides valuable insights into the impact of plastic particles on arterial health. It opens up new avenues for exploring plastic exposure as a potential risk factor for stroke and cardiovascular events. Moving forward, researchers aim to delve deeper into the mechanisms underlying the effects of micronanoplastics on arterial health and inflammation.

In conclusion, the study sheds light on the potential health risks associated with micronanoplastics and underscores the importance of further research in this area. Understanding the impact of plastic pollution on human health is crucial for developing preventive measures and protecting individuals from the harmful effects of environmental contaminants.

TAGGED:arterycloggingNeckParticlesplaquePlasticTiny
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