The long-term effects on humans consuming foods produced with Genetically Modified Organisms (GMO's) hasn't been thoroughly studied. GMO's should NOT BE ALLOWED in foods consumed in the U.S.A. until extensive decades-long studies have been carefully and thoroughly researched and documented by many different institutions and results made available to citizens.
No GMO's allowed in America's food supply!
For further information, Google "GMO dangers" or "GMO health concerns".