By 2024, the average brain studied by scientists at the University of New Mexico contained the equivalent of one plastic throw-away spoon, about 7 grams worth, said Dr. Matthew Campen, a toxicologist ...

By 2024, the average brain studied by scientists at the University of New Mexico contained the equivalent of one plastic throw-away spoon, about 7 grams worth, said Dr. Matthew Campen, a ...

Based on the results, an average brain could be holding 4,800 micrograms of microplastics per gram, or about 0.48% by weight — the equivalent of an entire plastic spoon, Campen told CNN.

That’s the equivalent of an entire standard plastic spoon, Campen said. “Compared to autopsy brain samples from 2016, that’s about 50% higher,” he said. “That would mean that our brains ...