ELI5 GMO - what are the pros and cons?

Why do we use genetically modified organisms? What are the drawbacks? Are there any health issues with GMO foods? How did Norman Borlaug save 1 billion people? ... we explain like I'm five Thank you to the r/explainlikeimfive community and in particular the following users whose questions and comments formed the basis of this discussion: queengonzo, thatdudeonthephone, steventhesloth, karnman, amrbean, app6a, qasqaldag To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Send us an e-mail: [email protected]