i'd just like to share this ...
http://web.mit.edu/newsoffice/2011/antiviral-0810.html
and this
Genetically Modified 'Serial Killer' T-Cells Obliterate Tumors in Leukemia Patients
http://www.sciencedaily.com/releases/2011/08/110810141248.htm
i hope this researches become the solution for most of our health problems