Summary: Extra History is an educational series of Extra Credits about historical moments. From the Punic Wars to the The Brothers Gracchi, the series has endless stories to tell.
Summary: Polio was a strange disease that seemed to explode in the 20th century. It challenged a lot of preconceived notions about diseases and how they spread. And even a US President had been affected by the disease. But it's because of his struggle with polio that FDR threw his presidential weight around to try and find a cure. And funding medical research would never be the same again.
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