In the early 1990s, researchers were studying a drug called sildenafil citrate. The hope was that the drug would help prevent and/or solve heart conditions. As the study progressed, the drug showed promising results for another condition: a fix for “penile winter,” more commonly known as erectile dysfunction. The panel of decision-makers who were funding the study decided they would pursue the research for erectile dysfunction. Eventually the drug came to market. It was called Viagra. In subsequent tests for the same drug, sildenafil citrate, they discovered that it also offered significant
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