The earliest known account of a circadian cycle dates back to the fourth century B.C. when a Greek scholar, Theophrastus, wrote about a tree whose leaves closed at night and opened in the morning.

"These findings are novel." Experts issue warning after uncovering surprising link to heart disease: 'A public health concern ...

Milliseconds of variability, now detected by fitness watches, can improve well-being Earlier this year I got an Oura ring to ...

At the Mayo Clinic, cardiologists Peter Noseworthy, M.D., and John Giudicessi, M.D., Ph.D., are uncovering the earliest signs ...

To live is to have a heartbeat, which is why it makes sense for us living things to have a good understanding of our ticker. It’s well-known science that our hearts beat faster when we exercise and ...

Deep breathing exercises can physiologically calm the body by lowering heart rate, releasing muscle tension and changing skin ...

It’s unclear why drinking coffee was linked with a lower risk of irregular heartbeat recurrence. It’s possible that an ...

Disruptions to the body's internal clock are strongly associated with increased risk of obesity, diabetes, high blood ...

Disruptions to your circadian rhythm (your body’s internal clock) are tied to higher risk of obesity, type 2 diabetes, high blood pressure, and cardiovascular disease, according to a new scientific ...

Cardiovascular and metabolic health are influenced by the circadian system, which regulates 24-hour rhythms across numerous physiologic processes. Disruptions to circadian rhythmicity can adversely ...

PORTLAND, Ore (KOIN) – On behalf of our sponsors at Abbott, we’re learning about how a medical breakthrough is transforming the way we treat abnormal heart rhythms and one Boston mother’s story shows ...

Radiation therapy may offer a comparable and potentially safer alternative to repeat catheter ablation for patients with severe abnormal heart rhythms that can no longer be controlled with medication.