(University of Wisconsin-Madison)
Scientists have made a penis implant that is rock hard and stretches out to a whopping eight inches on the question.
All you need to do is warm up and the experimental device is completely stiff.
Thousands of cancer survivors and wounded soldiers rely on the implants, but getting an erection from them has proved near impossible in the past.
In addition, approximately 40 percent of men between the ages of 40 and 70 have problems with getting an erection.
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And about a third of those who do not respond to medications such as Viagra.
Previous solutions include an inflatable pump that can be tricky to use, or a device that lets the owner with a permanent erection.
But the urologist at the University of Wisconsin-Madison have found a way to get an erection on demand.
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