Big Data Health Analytics is Personalizing Care Chronic disease management and preventing hospital readmissions are two examples of how big data health analytics can personalize care. Wearable sensors and cloud computing allow for round-the-clock monitoring of chronic obstructive pulmonary disease patients, improving their condition and medication adherence. Analyzing clinical notes, claims, pharmacy and other data allows hospitals to predict patients at risk of readmission and reduce rates through proactive follow up care. Big data from various sources has potential to further personalize healthcare.