A recent Wall Street Journal article highlights the use of text messages as part of the "telemedicine" wave.  In some countries text messages are cheaper, faster, and more private than phone calls or e-mails, so they present a useful alternative to calling or visiting a health professional.  Text messages are being used all over the world for a variety of health-related purposes:

Researchers have already tested the effectiveness of some health uses of text messages.  Rodgers et al found that people were twice as likely to successfully quit smoking if they received text messages containing advice and support for 7 months.

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