Is it time to ditch the Fitbit?

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I have been pushing myself to hit 10,000 steps a day. But a new study shows I have probably been wasting my time

Is it time to ditch the Fitbit?

I have been pushing myself to hit 10,000 steps a day. But a new study shows I have probably been wasting my time

Read more here: http://www.theguardian.com/us