Doctors hope to use herpes to cure cancer. Here's how. (FUSION)
For as long as humans have been aware of sexually transmitted diseases, herpes has played the role of villain. The incurable virus' sole purpose in modern life, it seems, has been to cause pain and discomfort and fear between the sheets. It might as well wear a sinister little mask and laugh a mwahaha cackle with each new victim it infects.
But its evil rap may soon change: Scientists are now using the herpes simplex virus to fight—and one day possibly cure—cancer. The little villain is turning on the big villain.