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Let me see if I can summarize what I read . You have a HRV of over 200, which is an increase of 100 over the past two months .

Sounds like HRV down in the 10 range suggests an increase risk of all cause of 95 percent compared to low 20’s and there is minimal health benefit for people above the 50th percentile , which is likely well below where you were or currently are ?

Do you attribute your RHR reduction from 57 down to the mid 40’s to more consistent exercise , better sleep , or the breathing exercises or a combo of all three.

Are there any studies that show HRV above 50 provides any marginal additional reduction of ACM risk ?

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