A new study shows that the sinoatrial node (SAN) -- a small but powerful structure in the human heart that serves as its natural pacemaker and initiates every normal heartbeat -- runs on different ...

Ever had that moment where it feels like your heart skips a beat? This might occur after a stressful day, a burst of exciting ...

With more than half of people in the UK with high cholesterol and one in four with high blood pressure, here are the facts on ...