Substance from Frog's Back Used as Horse-Racing PED

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Substance from Frog's Back Used as Horse-Racing PED

Frogs don't run, they hop. But some frogs can make horses run faster. It seems a substance found on the back of a certain South American frog can be made into a powerful performance-enhancing drug -- a painkiller far more potent than morphine --and has been found through post-race drug testing in Thoroughbred racing in four states, per the New York Times this week.

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