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Tracking vital signs with a smart phone

Wall Street Journal, December 29, 2009

This article in the Wall Street Journal shows how one patient is keeping tabs on the doctor appointments and medication lists of his elderly father, who lives 80 miles away; how a patient is monitoring her asthma daily with a free mobile application; and how another person improved her diet and health with a free body-weight, exercise, calorie, and energy tracker that can be accessed through an iPhone.