Diagnosis through images, robot surgeons, digital twins, and the metaverse are some of the applications in which artificial intelligence (AI) is involved. It is an almost sci-fi world that touches us closely and toward which we can harbor both great hopes and great fears. Health, in fact, is a central theme, and understanding how this new technology can help us to heal, acquire well-being, and live better is certainly important. This book, thanks to the author's great experience, deals comprehensively and accessibly with the benefits and risks of using AI in the field of health. It will enable the reader to confidently approach a revolution that will change the way we treat ourselves.