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

Scientists at the University of North Texas report a breakthrough in building tiny, lab-grown replicas of human organs. These replicas, called organoids, can mimic some functions and structures of ...

A new study has found impaired blood vessel function in those living with human immunodeficiency virus (HIV). Researchers have shown that this impaired function puts those with HIV at an increased ...

When adults became angry after remembering past experiences, the function of cells lining the blood vessels was negatively impaired, which may restrict blood flow, according to a new study. Previous ...

Nitric oxide-powered nanomotors restore tumor blood and lymphatic vessels, enabling deeper T-cell infiltration and stronger immune responses that suppress tumor growth and promote lasting immune ...

Aerosol generated from vaping devices likely impairs blood vessels' ability to function comparable to traditional cigarette smoke, according to preliminary research in rats presented at the American ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. Does it ever feel as if your ...

Even brief periods of anger can impair blood vessel function, which may increase the risk of heart disease, a new study suggests. Feeling angry reduced blood pressure function in healthy adult ...