Go ahead Nobel Laureate, answer your own question and rid us of the scourge!
Oh wait, maybe you're just another keyboard pounding know-it-all....
Nah, just ODD (oppositional defiant disorder). Drag out your DSM-IV and check it out ... a classic specimen.
Always on the opposite side of anything approaching a consensus on FR.
There are several of them here. Evolution and birth certificate threads really bring them out of the woodwork.
It is a valuable process for a multi-cellular organism to allow cancerous cells to kill themselves.
Those cancers that have a p53 mutation are not subject to this process of p53 induced apoptosis.
Thus the of the cancers that grow and survive within the body long enough to be detected; around 50% have already shut off the mechanism whereby the cell would be instructed to kill itself.