Gene therapy, CRISPR, and gene editing are all terms that are beginning to appear more frequently in headlines, and the concept of manipulating DNA inside cells – once found only in science fiction – is now reality. In fact, gene editing is routinely done in labs around the world, with potentially transformative applications for medicine. In this post, we discuss what gene therapy is, what is new and exciting in the field, and why the technology could change the way we treat certain diseases.