the united states grows 75 percent of the world's GM crops. percent of the soybeans grown in the United states in 1999 were genetically modified. The ingredients from these crops-especially soy,which is used in many products-show up in a lot of the food we eat,from pizza,cookies,pasta,ice cream,and potato chips to soup. Are GM foods safe for our health and the environment ? So far, there is no evidence that GM foods have any risks, but only time and more research will tell.