Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...

It’s been known for decades that heart rate variability (HRV) during labor signals how a fetus is responding to stress. Lower HRV—a lower variation in heartbeats—is even a risk factor for sudden ...

A higher heart rate variability suggests your body is calm but alert, like a boxer bouncing from foot to foot. Did you know there’s a number that might let you know how stressed you are, whether you ...

Bradycardia, a slow resting heart rate, is healthy for elite athletes — but it can be dangerous if not caused by exercise ...

New research, presented today at the European Academy of Neurology (EAN) Congress 2025, has uncovered a powerful link between nighttime heart rhythm and future health conditions, even in people with ...

Researchers led by Dr. Roberto Goya-Maldonado at the University Medical Center Göttingen have identified a rapid ...

Menopause causes a drop in estrogen, which can lead to changes in heart rate, such as palpitations or fluctuations in heart rhythm. Menopause marks a significant transition in a person’s life, ...