A system includes a portable, hand carried nonvolatile memory device in which a person maintains his or her medical history. The portable memory device includes a program, executable by a general computer, for storing medical records in a secure database in the portable memory device, updating the medical records in the secure database, and providing access to the medical records in the secure database. The system further includes a method for recovering that person's medical history in the event of loss, destruction, or damage of the device, including the steps of: maintaining a backup copy of the secure database externally to the device, which backup copy is accessible via the Internet computer; accessing the backup copy via the Internet; copying the accessed backup copy to a replacement device, which replacement device also includes the program or an updated version of the program.