Continuous health monitoring would allow early intervention on all emerging health issues long before diseases actually manifest themselves. Advanced devices would not only measure blood and breathing but also continuously detect molecular biomarkers indicative of cancer, inflammation, neurodegenerative diseases, etc. Overall, promotion, prevention and early intervention strategies will produce the greatest impact on people's health and well-being. Imagine a wearable device sensor that is constantly monitoring all health markers and detects tumors, infectious diseases in real time. A wearable device monitoring a wide range of health metrics in real time without needing invasive procedures would transform personal and public health management.