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Erectile dysfunction drugs work by inhibiting an enzyme called PDE-5. This helps muscles relax and increases blood flow to the penis.

To see if these drugs might have other long-term health effects, Sommer and colleagues studied men with benign prostate symptoms. Some of the men got Levitra, an erectile dysfunction drug, once every day. Other men took Levitra only when they desired sexual intercourse.

After three months, the men getting Levitra every day had:
Just as good relief of erectile dysfunction as the Levitra-on-demand men
More improvement in tests for blood flow, which indicate healthy blood vessel function
More improvement in prostate symptoms

But it’s not yet time to start popping those little pills along with your daily vitamins. The study findings, Sommer and colleagues note, are preliminary.

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