The results of a study demonstrating how circadian rhythms in heart cells are involved in changing heart function over the course of the day could help to explain why shift workers are more vulnerable ...

Researchers have used the zebrafish (Danio rerio) to identify the role of a gene involved in cardiac rhythm, which could help explain the fundamentals of what it takes to make a human heartbeat.

CLEVELAND - A fundamental discovery reported in the March 1st issue of the journal Nature, uncovers the first molecular evidence linking the body’s natural circadian rhythms to sudden cardiac death ...

Tiny pores in heart cells generate electrical signals to initiate each heart beat. Structural studies of these channels provide details on their functions, and also on their malfunction due to ...

Uncontrolled high blood pressure & blood sugar can alter structure of heart muscle, obstructing the heart's electrical ...

“Poor sleep can affect your adherence to heart healthy habits, as well—it’s harder to make good food choices and exercise ...