The document discusses the growth of digital health data and Estonia's successful national health information system. It argues that a digital single market for health in Europe would empower citizens, improve health, and advance the digital economy by establishing a framework for individuals to actively manage their own health data across borders through value-adding services, oversight of data usage, and secure integration of information. Estonia aims to serve as an example for efficient digital services and citizen-centric healthcare through its national eHealth strategy and investments in areas like personalized medicine.