Using Data Trails To Determine Probable Medical Conditions--Access To Medical Records Not Required

Data Mining To Recruit Sick People by Joseph Walker.  The Wall Street Journal.  December 16, 2013.

(1)  Indirect clues to an individual's health are sometimes available from __________________________________ without accessing personal medical records.

(2)  Firms specializing in clinical trial patient recruitment often use ___________________ to identify sick and target them with ____________________.

(3)  As data-mining methods become more sophisticated it is harder to ______________.

(4)  The federal Health Insurance Portability and Accountability Act does not protect _______________________

(5)  A major driver of the trend toward using data mining for health records is the need to speed up recruitment and completion of______________.