A review of PHR, EMR and EHR integration: A more personalized healthcare and public health policy

This integration of medical information combines demographic, lifestyle and behavioral data with health records, thus providing a comprehensive view that coincides with the definition of patient-centered medical care. It can lead to a dramatic amelioration in personalized care as well as public health decision-making, resulting in improved health and wellness, but also poses serious challenges and threats to security and privacy.