The news can be a damper sometimes, and in 2017, it seemed to be a heavy weight a lot. But there were sparks of hope in some places, especially in medicine, where the next frontier of health technology made what we formerly thought impossible pretty damn possible. Between gene editing, mind control, and viruses carrying secret fixes to medical problems like a spy behind enemy lines, it’s been a year of advancements that sometimes seem like a great science fiction thriller. Except it’s not; it’s real and awesome. Here are the five medical advances that made the world a healthier, better place in 2017.