Mobile health devices enable at-home exams

May 02, 2013, 11:57 AM EDT
A health worker gives a physical exam to a Mexican farm worker at a mobile clinic on a farm on April 30, 2013 in Brighton, Colorado.
Getty Images/John Moore

Dongles that plug into smartphones can measure blood pressure, weight, or detect if users have ear infections or eye problems. Portable medical devices are changing how doctors and patients communicate.

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