Orlando, Fla—Researchers at the Annual Scientific Session of the American College of Cardiology (ACC) said sildenafil (Viagra, Pfizer Inc, New York, NY) apparently does not increase the risk of heart attack and that improved sexual function associated with the drug may be enhanced by its effects on the heart and blood vessels.
But some pharmacoepidemiologists, although encouraged by the safety study, warn that the findings are not definitive.
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