Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and recovery. Higher HRV indicates well-being, while lower HRV signals stress.

Even greater risk for mortality, CV events in presence of several high-variability metabolic parameters (HealthDay News) — High variability in metabolic parameters is associated with increased risk ...

Predictive Value of Bone Resorption and Formation Markers in Cancer Patients With Bone Metastases Receiving the Bisphosphonate Zoledronic Acid To compare the variability and sample size requirements ...

Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun’s surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy ...

You might be familiar with HRV—heart rate variability—as a popular training tool for workouts and a biomarker for measuring exercise recovery. Beyond exercise tracking, heart rate variability has a ...

In spite of demonstrating training loads objectively through player tracking system and Global Positioning System (GPS) technologies, a precise and reliable monitoring tool which can detect the risk ...