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Viagra is the best known treatment for erectile dysfunction. Everybody knows, it works. But how does Viagra work and at what cost to your health Are there natural alternatives to Viagra and do they work

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Information on non-prescription Viagra substitutes for men and women.

April 18, 2000 Impotence Is Given Another Name, and a Drug Market Grows Related Articles The New York Times on the Web: Science Forum Join a Discussion on Men's Health By GINA KOLATA The New York Times Viagra was the first, but many others are now being tested. n the two years since the revolutionary drug Viagra reached the market, the medical condition known as erectile dysfunction has gone ...