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With Fitbits and other activity trackers becoming more popular, the pesky question of their effectiveness is being raised by researchers.

An article in the latest edition of the Journal of the American Medical Association

 questions how well they actually change health behaviors.

Tom Crann posed the same questions to the Fitbit-wearing Dr. Jon Hallberg.

Subscribe to "Hallberg's Picture of Health" on iTunes

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Hallberg's Picture of Health

Activity trackers that gather data on how much you exercise, sleep, and eat are all the rage -- but will they make you a healthier person?

With Fitbits and other activity trackers becoming more popular, the pesky question of their effectiveness is being raised by researchers.

An article in the latest edition of the Journal of the American Medical Association questions how well they actually change health behaviors.

Tom Crann posed the same questions to the Fitbit-wearing Dr. Jon Hallberg.

Hallberg's Picture of Health: The wearable device movement

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