Blood circulation is one of the most important functions in the body. It helps to deliver oxygen, nutrients, and hormones to every cell while removing metabolic waste products like carbon dioxide.

Every day, your heart pumps about 10 pints of blood 60,000 miles around your body through your circulatory system. That system is made up of blood vessels, the tubes that carry blood throughout your ...

In 2026, Bradley Maron MD’03 will assume the role of editor-in-chief of Circulation, one of the leading cardiovascular medicine research journals. Maron’s appointment was announced at an American ...

Carrie Madormo, RN, MPH, is a health writer. She has over a decade of experience as a registered nurse, practicing in a variety of fields, such as pediatrics, oncology, chronic pain, and public health ...

They’re the farthest points from your heart, often stuffed into shoes and easily forgotten. But your toes might be sending important messages about your cardiovascular health long before other ...

The effects and risks of the use of intravenous thrombolysis between 4.5 and 24 hours after the onset of a posterior circulation ischemic stroke are not well studied. In a trial conducted in China, we ...

A crucial ocean-current system seems unlikely to collapse even in the face of severe climate change ― despite predictions that it would disintegrate if Earth continues to warm. That’s the ...

Hypertension in pregnancy contributes substantially to maternal morbidity and mortality, persistent hypertension, and rehospitalization. Hypertensive disorders of pregnancy are also associated with a ...

In preeclampsia there is a reduced invasion of the trophoblast into the uterus and its spiral arteries. Thus, these arteries do not distend properly, and the blood flow through the uteroplacental ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Superstorms, abrupt climate shifts and New York City frozen in ice. That’s ...

A declining share of U.S. adults are following the news closely, according to recent Pew Research Center surveys. And audiences are shrinking for several older types of news media – such as local TV ...

Tips for improving symptoms include keeping moving, avoiding tobacco, and massaging the feet. People should speak with a doctor if they experience persistent poor circulation for a proper diagnosis ...