heart rate variability

Mount Sinai: Apple Watches spot heart rate variability changes prior to COVID-19 diagnosis
By Dave Muoio | 03:03 pm | February 10, 2021
New research suggests that the wearable could help identify COVID-19 cases up to seven days before a positive diagnostic test.
Meru Health launches wearable companion to track biofeedback
By Laura Lovett | 04:13 pm | September 17, 2019
The tool was designed to help users see their heart rate variability.