Making sense of the numbers on your fitness tracker

Which wearable metrics are useful day to day and which are easy to over-read.

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What this covers

Which wearable metrics are useful day to day and which are easy to over-read. The final article should open with the main point and say who it is for.

What the evidence says

Summarise the findings here and link to each source so readers can check it.

What to do with this

Close with two or three practical steps, and a reminder to speak with a doctor about personal health questions.