2017 was an extraordinary year in the history of medicine. It was the year when scientists beat cancer, and U.S. regulators approved the first therapy to fix a faulty gene. It was also a year that kept us enthralled with a quickening drumbeat of breathtaking news detailing spectacular advances – trials seemingly curing patients of hemophilia A and sickle cell anemia, and breakthroughs raising similar hopes for Huntington’s disease, Lou Gehrig’s disease, and even HIV.