If they want to really open Pandora’s Box in medical research, they should look at the epigenetic effects on enzyme activity. It will provide a lot of answers on cancer, MS, ALS and many immune suppression diseases.
Here is a better link to the article: http://www.dkfz.de/en/presse/pressemitteilungen/2011/dkfz-pm-11-69-Self-regulation-of-the-immune-system-suppresses-defense-against-cancer.php