Microplastics increasingly detected in human brains
Image credit: mnelen via Unsplash
A recent study published in the journal Nature Medicine indicates that microplastics are now being increasingly detected in human brains, having crossed the blood-brain barrier. This research highlights the widespread presence of microplastics in the environment and their ability to infiltrate biological systems, posing potential risks to brain health. These tiny particles come from everyday items like plastic bags, water bottles, and clothing that break down and release microplastics into the air, water, and food. As research continues, scientists are urging a better understanding of the long-term effects and risks associated with microplastic exposure in critical areas like the brain.
Source
Nihart, A.J., Garcia, M.A., El Hayek, E. et al. Bioaccumulation of microplastics in decedent human brains. Nat Med (2025). https://doi.org/10.1038/s41591-024-03453-1
Additional Reading
https://www.washingtonpost.com/climate-environment/2025/02/03/microplastics-human-brain-increase/
https://www.nationalgeographic.com/science/article/microplastic-human-brain-health