Junctional rhythm is an irregular heart rhythm that stems from a natural pacemaker in the heart known as the atrioventricular junction. The heart has several built-in pacemakers that help control its ...

Rhythm is most commonly associated with music but it infuses much of our daily lives without us noticing (Credit: Alamy) Rhythm plays an important role in how we perceive and connect with the world ...

Circadian rhythms are cycles in the body that occur roughly across 24 hours. In humans, circadian rhythms cause physical and mental changes in the body, including feelings of wakefulness and sleep.