1. Old (2007)
2. Not the original source. I would be in favor of an informal community contract here on HN, that any link to an article which starts off with "Researchers have shown" or "A new study was published", that we must include the original research paper in a link in the first comment. Here, I'll help out this time (it only took me ~5 min):<p><a href="http://www.nature.com/onc/journal/v27/n3/abs/1210641a.html" rel="nofollow">http://www.nature.com/onc/journal/v27/n3/abs/1210641a.html</a><p>3. Not horribly interesting. Know what else will shrink a tumor? Cyanide! If anything, this link is a good example of what has been happening with science reporting recently. Publications, especially those dependent on a page-view model for revenue generation, have been increasingly sensationalizing science. This is irresponsible.