Micro-fluctuations in the time between heartbeats are proving a helpful indicator of mental health, stress levels, exercise ...

HRV biofeedback training improved myocardial blood flow in coronary heart disease patients, showing potential as a lifestyle intervention for heart failure risk reduction. The randomized pilot trial ...

HRV powers modern smartwatch “recovery scores,” but experts warn most users misinterpret what it actually measures about ...

Heart Rate Variability Biofeedback (HRVB) is a noninvasive therapy that helps regulate stress responses through controlled breathing. Fathi’s research provides new insights into HRVB’s effectiveness ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

What is heart rate variability (HRV)? As popular as the metaphor may be, a healthy heart doesn’t beat as regularly as a metronome. In fact, it changes its rhythm with each beat. Heart rate variability ...

Heart rate variability (HRV) is more than just a fitness tracker stat—it’s a window into how well your body handles stress, recovers, and adapts. Higher HRV often signals resilience and readiness, ...

SAN DIEGO--(BUSINESS WIRE)--Solara Mental Health proudly recognizes the doctoral research of Moe Fathi, Ph.D., from the California School of Professional Psychology, Alliant International University.