The Alarming Rise of Microplastics in Human Brains

We're revisiting an episode from earlier this year about how we were mostly able to get the acid rain problem under control...only to find ourselves with a plastic rain problem.

This episode was produced by Avishay Artsy, edited by Jolie Myers, fact-checked by Victoria Chamberlin, engineered by Patrick Boyd and Andrea Kristinsdottir, and hosted by Sean Rameswaram.

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A handful of small plastic pellets, which are used as the raw material for nearly all plastic products, and wash up all over the world. Photo by Thilina Kaluthotage/NurPhoto via Getty Images.

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