AI involves the analysis of very large amounts of data to discern patterns, which are then used to predict the likelihood of future occurrences. In medicine, the data sets can come from electronic health records and health insurance claims but also from several surprising sources. AI can draw upon purchasing records, income data, criminal records and even social media for information about an individual’s health. -BY SHARONA HOFFMAN, CASE WESTERN RESERVE UNIVERSITY / SEPTEMBER 4, 2019