New Delhi, April 23 -- People who suffered strokes or related symptoms like mini-stroke or temporary vision loss had more than 50 times the amount of microplastic particles in a key artery in the neck compared to those without the condition, according to a new study.

Researchers examined plaque in the carotid arteries, the vessels in the neck responsible for supplying blood to the brain. Plaque, a build-up of fat, cholesterol and other substances on artery walls, can lead to serious cardiovascular conditions.

The paper was presented at the nonprofit American Heart Association's Vascular Discovery 2025 Scientific Sessions, held from April 22-25, 2025 in Baltimore.

Micronanoplastics are tiny pieces of plastic created in industrial proces...