For medical researchers, it's the Holy Grail: a cure for cancer. And while it's too early to say for sure, doctors at the Mayo Clinic in Minnesota have made an exciting breakthrough.
Stacy Erholtz had undergone several treatments to contain her illness, but with no luck -- until she was treated with a super-dose of the ordinary measles vaccine. How large a dose? Enough to vaccinate 100 million people. The vaccination essentially overwhelmed the malignant cells in her body, and so far, she remains cancer-free. Check out the video above for more.