Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

Coronary arteries are a vital part of the human heart, providing it with oxygen-rich blood so that it can work. By comparing the hearts of mammals, birds, reptiles, fish and frogs, a ...

FRANCE — Did you know that, long before anyone else, Leonardo da Vinci called into question Galen's description of how the heart works? This is just one of the many interesting tidbits featured in ...

Senior male patient with ECG sensor on his chest in clinic. Elderly male with face mask getting his cardiac stress test in cardiology clinic. COVID-19 induces a range of negative cardiac effects, such ...