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Fitbit Active Zone Minutes explained - Wareable
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Just realised my peak heart rate was 190. I'm 38 ... apparently that's a good thing! : r/fitbit
Fitbit Active Zone Minutes explained - Wareable
Unusual high spikes in heart rate. False reading, or potential health issue? : r/fitbit
Forget 10,000 steps a day! How to use Fitbit active zone minutes and why they matter - MyHealthyApple
Fitbit Charge 4 Review | PCMag
