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, ...

A recent study published in the journal Scientific Reports observed that maternal heart rate variability (mHRV) at three months postpartum is associated with infant neurophysiology and maternal mental ...

(Helsinki, Finland, Saturday, 21 June 2025) New research, presented today at the European Academy of Neurology (EAN) Congress 2025, has uncovered a powerful link between nighttime heart rhythm and ...

Most fitness trackers offer a wealth of heart-rate data. Here’s how to make sense of it. By Talya Minsberg If you wear a smartwatch or fitness tracker, you likely already have access to a steady ...

It may sound dramatic, but the rate at which your heart is beating plays a key role in how long you’re likely to live. According to expert cardiologists and academic researchers, resting heart rate ...

Tracking key heart health metrics every day helps you understand how your lifestyle affects your cardiovascular system and empowers you to take proactive steps toward better heart health. Heart ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

A post hoc analysis found that the effect of transcutaneous auricular vagus nerve stimulation (taVNS) on cardiac and inflammatory stress responses was critically dependent on variability in baseline ...

Tracking your menstrual cycle is a great way to keep on top of your symptoms and your health. Whether you take note of physical sensations, like bloating and energy levels or use a wearable to monitor ...