Using smartphone apps for heart health

A cell phone or smartphone can do so much more than make calls, send text messages, and play games. Hundreds of heart-related applications are available for the iPhone, Android, Blackberry, and other smartphones. Many are little more than glorified diaries or pamphlets. A growing number, though, are tapping into the sophisticated technology packed into these phones. Here are a few examples of useful heart-related apps and devices.
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