Genetically Modified and Irradiated Food: Controversial Issues: Facts versus Perceptions explains the technologies used in these processes so they can be understood by those in general public health, scientific organizations, politicians and opinion makers/policymakers. The facts presented include a massive amount of scientific evidence that these technologies are safe and can be beneficial. Because the world is facing a future with an increasing number of people, new technologies are needed to ensure enough safe and healthy food, thus technologies that have the potential to dramatically increase the availability of safe and healthy food should be welcomed by everybody.