Your cardiovascular system consists of your heart, blood vessels, and blood. Together, they are a liquid transport network. This system delivers oxygen and nutrients to your body and picks up waste ...

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 ...

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 ...

Immune system overreactions may be the true culprit of cardiac illness—and lifesaving drugs can calm them down ...

In movies and TV shows, heart attacks are very dramatic. They often happen at night, in the middle of a meal or in moments of high stress. But according to three cardiologists we ...

Nitric oxide plays an essential part in regulating blood pressure and supporting brain function and muscle function. But ...

Doctors have long looked at certain risk factors including blood pressure, cholesterol, diabetes, smoking, and family history to predict a patient’s risk for cardiovascular disease. But increasingly, ...

Hot weather can strain people with heart disease by causing dehydration and BP changes; experts advise balanced hydration, a ...