The claim
Microplastics found in narrowed arteries, like the carotid artery, are linked to a higher risk of heart attacks and strokes.
Original publisher’s rating
Microplastics in arteries, especially the carotid artery, can increase the risk of heart disease.
Reviewed by First Check ↗ ·
Read the original fact check ↗PeakMetrics research summary
Based on related reporting. This does not summarize the original publisher’s reasoning.
Research reported in related sources found that patients with carotid plaque containing microplastics had a higher risk of heart attack, stroke, or death. One account says the association does not prove that plastic caused those outcomes.[S1]
Additional context
Another source describes the outcome as a composite measured over 34 months. [S2]
Research date:
Sources and attribution
- [original] First Check original review
Original review · Retrieved October 16, 2026
- [S1] The human bloodstream now carries an average of 1.6 micrograms of plastic per milliliter, and the polymers showing up most often are the same ones used in single-use bottles and food packaging
Additional research · Retrieved October 16, 2026
- [S2] Microplastics in the bloodstream can induce cerebral thrombosis by causing cell obstruction and lead to neurobehavioral abnormalities - PMC
Additional research · Retrieved October 16, 2026
Original review: First Check. Structured data compiled by Data Commons under CC BY 4.0. Publisher article content is subject to its own terms. Summaries and context are produced by PeakMetrics with AI assistance.
Updated