GMOs, or genetically modified organisms, are one of the hottest topics in food science and nutrition today. Are they unhealthy? Are they helpful? Readers explore this complex topic with the help of balanced text that allows them to see the facts behind this heated debate. Detailed sidebars and graphic organizers provide additional information about the science behind GMOs, and full-color photographs help readers make connections between the foods they see in the grocery store or at home and what they're learning about. In addition, critical-thinking questions guide readers to the formation of their own opinions.