A new study published in Nature Medicine has revealed the presence of microplastics – tiny fragments of degraded plastic – in human brain tissue. While previous research has identified microplastics in organs such as the liver, kidneys, and placenta, this study suggests that the brain may be especially vulnerable to these tiny synthetic particles.

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Scientists have made a disturbing discovery: human brains contain microplastics, and at higher concentrations than other organs. Worse, brain levels have jumped 50% in just eight years.