Genetically Modified Foods (GMOs) are known to produce food allergies and contribute to degenerative diseases - like cancer. It is known that animals will not eat GMOs willingly and many countries have outlawed the import of GMOs. Are you allowing yourself to be a guinea pig in one of the largest experiments ever? You can print a shopping list of Non-GMO foods from this site (they also have an iphone ap):

http://www.nongmoproject.org/consumers/search-participating-products/iphone-app-shopping-guide/