But it turns out more subtle color changes occur at rest as the heart pumps blood around the body. The ebb and flow of blood ...

Get to know the link between your effort level and your heart rate. Plus, how to use heart rate to your performance advantage ...

This nocturnal warning sign often manifests through morning headaches ... moderate activity that elevates your heart rate and challenges your cardiovascular system appropriately.

Discover how your heart's rhythm reveals stress levels, disease risk and fitness status and provides insights about your ...

an irregular heart rate, also known as arrhythmia. Together, these symptoms should be an urgent indication that medical attention is needed. Most are familiar with the classic signs if heart ...

One in three people worldwide will develop a potentially life-threatening heart rhythm disorder in their lifetime, yet ...

Explore the physiological effects of Instagram use, revealing deep focus and emotional arousal linked to social media engagement.