Health is critical to all of us. Health care and the infrastructure around it touch our lives and the lives of our loved ones. Many of us in pursuit of long-term health adopt goals ranging from controlling our weight to long-distance running. The health care industry is in an early stage of realizing the power of the digital world and the effectiveness of personal health tools in helping drive change.

This chapter introduces HealthVault as a powerful tool for interacting with health data. It also provides a walkthrough of the functionality available to end users through HealthVault.