A recent study reveals a concerning increase in microplastic concentrations in human brains compared to eight years ago. The research suggests a potential link between dementia and elevated microplastics levels, but further investigation is needed to determine the cause-and-effect relationship. The findings highlight the urgent need to address plastic pollution and its impact on human health.
A new study has revealed alarming findings about the presence of microplastics in human brain s. Samples collected at autopsy in early 2024 showed a significantly higher concentration of tiny plastic shards compared to samples taken eight years prior. The study, led by Matthew Campen, Regents’ Professor and professor of pharmaceutical sciences at the University of New Mexico, found that brain tissue contained seven to 30 times more microplastics than their kidneys and liver.
Specifically, cadaver brain samples averaged 4,800 micrograms per gram of plastic, equivalent to a standard plastic spoon. This represents a 50% increase compared to samples collected in 2016. The researchers also discovered an additional three to five times the amount of plastic fragments in the brains of individuals diagnosed with dementia before death. These microplastics, smaller than the naked eye can see, were concentrated in the walls of brain arteries and veins as well as brain immune cells.While the exact impact of these microplastics on brain health remains unclear, experts caution that further research is crucial. Dr. Philip Landrigan, director of the Program for Global Public Health and the Common Good at Boston College, highlights that the rapid increase in plastic production and pollution has likely contributed to the elevated levels found in human tissues. He emphasizes the need to understand the potential consequences of these microplastics, as they can carry harmful chemicals that may disrupt cellular processes and endocrine function. The study's findings underscore the growing concern about the pervasive presence of plastics in the environment and their potential effects on human health
Microplastics Human Brain Dementia Plastic Pollution Health Risks
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