You don't need me to tell you that we live in the age of digital medicine. Newspapers, magazines and even professional health journals are thick with stories about how wearable devices like the Apple Watch and Fitbit will revolutionize healthcare by providing real-time monitoring.
Imagine being able to screen for the two most common causes of death in industrialized countries – heart disease and cancer – by checking your lipid profile or a panel of cancer markers whenever and as often as you want. Talk about health vigilance.
