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Moldy hay, dead cows and the creation of a blood thinner

10:06 EDT 30 Aug 2017 | Cardiovascular Business
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The origin story of warfarin has been detailed previously—but it’s worth revisiting because it’s so darn intriguing.

Here’s the short version: A farmer notices cows dying of internal bleeding after eating moldy sweet clover hay; the farmer takes the evidence—a dead cow, a can of blood and some hay—through a blizzard to the University of Wisconsin; a UW chemist studies the substance in the spoiled hay and discovers the blood-thinning compound, which is later applied to treatment of blood clots in humans.

To fill in the gaps, read the story from NPR below:

Original Article: Moldy hay, dead cows and the creation of a blood thinner

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