Viagra's Second Use: Easing Hypertension

The erectile dysfunction drug Viagra can also alleviate symptoms of pulmonary hypertension, according to a new study conducted by the University of Geissen. The study's authors report that members of a team of mountain climbers who had taken Viagra were less likely to suffer from pulmonary hypertension at high altitudes. Hear NPR's Melissa Block and researcher Friedrich Grimminger.



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