In the airport, an airline agent uses a computer to check your reservation. I think it helps make me a better doctor. The system also helps her better track patients' conditions over time. With just a few clicks of a computer mouse, Henderson reviewed Heck's blood pressure readings during 20 visits in the past two years. Health information experts say consumers have been the main force behind health care's digital revolution.
Patients now can e-mail doctors with questions or to make an appointment.
Health plans have started letting customers renew their prescriptions online. Some health systems even let patients get lab results via the Internet.