Genetically modified (GM) foods have been around for decades, and they are developed for a number of different reasons—to fight disease, enhance flavor, resist pests, improve nutrition, survive drought. Across the country and around the world, communities are fighting the cultivation of genetically engineered crops. Are they safe? How do they impact the environment? Can they improve food security? Is the world better off with or without GM food? Learn more about your ad choices. Visit megaphone.fm/adchoices