Inside the body, a 24-hour rhythm, known as the circadian rhythm, quietly coordinates when we sleep, wake, eat and recover.

The results of a recent study suggest that people with a weaker or more irregular body clock, also known as circadian rhythm, ...

Veteran male athletes who have spent years training at high intensity may be at greater risk of serious heart problems while ...

A recent study highlights the link between circadian rhythms and dementia. Disrupted or irregular rhythms can increase ...

Dr. Naccarelli answers the question: 'Heart Rhythm Meds Causing More Danger?' — -- Question: I have heard that the heart rhythm medicine that I am taking to keep my heart out of an abnormal heart ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Arvind Sridhar, University of Illinois Chicago (THE CONVERSATION) Atrial fibrillation, ...

Dr. Paul Friedman answers the question: 'Doctors For Abnormal Heart Rhythm?' — -- Question: What kinds of doctors deal with abnormal heart rhythms? Answer :Our hearts depend on electrical signals ...

A new study finds that sleep timing is linked to dementia risk, as people with weak circadian rhythms face a 2.5 times higher ...

Irregular heartbeats, or arrhythmia, can significantly affect a person’s quality of life and overall health. When medication and lifestyle changes are ineffective, doctors may recommend surgery to ...