I know many people who want balls of steel, but don't know anyone who wants balls of plastic.

1 Mar 2025 · 1 min
0:55

Bryan Johnson breaks down microplastics in the body: 8 mg per testicle on average, and brain plastic content up 50% in a decade. He tested below 76% of the population and cuts exposure by ditching plastic bottles, filtering water, and switching to glass and ceramic containers.

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