What happens if you search the Internet news about GM foods? I can tell you will find the most diverse headlines: "GM foods: genocide of our time", "Is it the solution to world hunger or a profitable risk?", "Transgenic Food vs. Organic Food ","GM cultivation in the world is highly increasing.” This plurality of approaches reveals the importance of one of the most debated issues of scientific-technological world. The causes of many views vary from country to country. However, some other issues do are common in almost everyone: the media silence, the lack of a debate on the social level and the existence of opposing positions within the scientific community, governments or multinational companies. But what are GM foods? What are their impacts on human health? What ethical dilemmas are generated by this technology? Why might be important to know about this particular issue? Understanding the process GM foods are organisms which genetic information has been modified in laboratories to give them specific characteristics. In the case of plants, for example, it seeks to increase resistance to pests and diseases. "Genetically modified plants are more likely to be resistant to drought, salinity and are more efficient in water use," explains...