Science reveals that your lower legs act as a secondary circulatory pump, pushing blood against gravity to protect your heart and prevent dangerous blood pooling.

A circulatory system (sometimes cardiovascular system) is an organ system that moves substances to and from cells; it can also help stabilize body temperature and pH (part of homeostasis). There are ...

American Heart Month occurs every February. Learn facts about American Heart Month, like its history and impact since its 1963 proclamation.

Researchers are closer to understanding the earliest beginnings of the circulatory system during embryonic development—a discovery that could lead to ways to repair damage in the human body after ...

Cardiovascular or circulatory diseases are those that involve the heart or blood vessels. Comprising everything from coronary artery diseases, such as heart attacks and angina, to strokes, aneurysms ...

A new study shows that drinking coffee isn't as bad for our arteries as some previous studies would suggest. The research has shown that drinking coffee, including in people who drink up to 25 cups a ...

As the central part of the circulatory system, the heart is responsible for pumping blood, supplying oxygen and nutrients, and removing metabolic waste such as carbon dioxide from all the tissues in ...