A “nanoparticle” topical treatment for erectile dysfunction appears to work well, at least in a study involving rats.
According to the researchers, five of seven rats developed erections after their penises received a coating of a special hybrid of nanoparticles that slowly released nitric oxide (NO), which relaxes cells in the penis to help blood vessels open, bringing in more blood and swelling the tissues.
The study is scheduled to be presented this week in Chicago at the annual scientific meeting of the American Urological Association.

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