through the introduction of a gene from a different organism."
Currently, most GM foods are actually plant-based as these are at a higher risk of pesticide exposure.
As of 2012, most corn, soybeans, canola, cotton, and sugar beets are genetically modified.

Nearly 80 percent of processed food and most fast food contain GMOs" (viaNatural Fertility Info).
There seem to be few positives to GMOs other than a higher resistance to pesticide exposure.

