Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

With each heartbeat, blood courses through your body. Some traverse arteries from the lungs back to the heart, and some navigate through capillaries in the thinnest layers of your eyelid, almost ...

A new study published in the European Journal of Heart Failure reveals that the speed of lymph flow in the legs may determine ...

Researchers at NYU Langone Health discovered that cutting off blood flow accelerates cancer growth by prematurely aging the bone marrow and weakening the immune system. In mouse models, restricted ...

Pregnancy brings significant circulatory changes, often causing blood pressure dips, especially in early trimesters. While ...

Constantly Cold Feet? It’s Not Always Just a Chill Constantly cold feet aren’t always due to harmless shivering. Sometimes, ...

Thrombosis occurs when one or more blood clots develop in a blood vessel or the heart. A thrombus (clot) forms when blood cells stick together when they shouldn’t. A clot can grow large enough to stop ...

Suzana Herculano-Houzel does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...