Good Morning McTwirly;
Very profound and thought provoking question! Got me thinking, so I did some quick research.
Apparently this miracle spice is capable of differentiating between good and bad cells. For the entire article:
http://www.goodhealth.nu/News_Articles/050111-curcumin-anti-
But you, McTwirly, receive a blue star and get to sit at the front of the class! Well done!
Take care;
Kevin