For many farmers in rural 1990s China, it seemed like a godsend: new businesses promised to pay a full month's wage for just a few hours donating plasma. The Plasma Economy campaign swept the nation, making blood brokers and biotech companies tons of cash... and then the reports started arriving: multiple small communitites suddenly had HIV and hepatitis. What went wrong? Tune in to learn more.

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Did Lead Exposure Create Serial Killers?
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