Perhaps curcumin is a natural cox2 inhibitor..............
 

which promotes its antitumor effect.Yes, we all have been talking about how turmeric decreased lung mets in lab animals. And a number of us take turmeric. Now here is an article on the molecular rationale for tumeric (curcumin's) anti-tumor effect.See link below.

http://carcin.oxfordjournals.org/cgi...full/24/9/1515

Another interesting article on this.
http://www.centrehealing.com/Resour...to%20Cancer.pdf