Solve medical problems by (potentially) creating new ones

Here at EIGN most of the stories we have for you are pretty negative -- which sort of comes with the territory. But here's a story that actually could be great for mankind, yet still brings us closer to EIGN... creating new viruses to try and cure another one.

"Specifically, they have modified a virus and injected it into mice with several kinds of inoperable brain cancer. Three days later, the tumors were gone." (discovery news)