I've heard some brands of Islam also once consumed cause the human body to explode. ;) hahah jk.The pesticides used on corn, once eaten by a bug, it explodes. Imagine that pesticide in the human body.
As far as Genetically Modified crops are concerned, I think they are going to be the norm in the world. With a growing population, we need genetically modified crops to feed the world. There is no way around it.