The Circulatory System

While the definition of death may seem obvious, medical technologies have made the determination of death an increasingly gray area.

Using 3D-printing methods, researchers have created artificial blood vessels in a lab. The bioprinted structures could be used for transplants or for testing new drugs, scientists say.

Olive oil could help protect against heart disease, a small new study suggests, but some experts remain skeptical of the link.

Radically modified cells could transport anticancer drugs to a tumor.

The heart is a vital organ that pumps blood through the body, and is part of the body's circulatory system. Here are seven things you should know about the heart.

Doctors can now replace heart valves without resorting to open-heart surgery.

A new DNA test can predict how long women with ovarian cancer will survive, and guide personalized treatment decisions, according to new research.

In addition to heart health, also pay attention to the peripheral arteries.

Show some love to the arteries in your legs, not just the ones in your heart.

Are stent surgeries over-prescribed?