Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns ...

Your daily habits impact blood flow more than you realize. Learn how small changes in movement, hydration, and sleep can improve circulation.

The heart, a powerful muscle with four chambers, pumps oxygen-rich blood to the body and receives carbon dioxide-laden blood for oxygenation in the lungs. Blood flows through arteries and veins ...

The physical forces exerted by a heart beat and the blood flow it produces trigger the formation of new blood cells, according to two studies published today (May 13) in Nature and Cell. Zebrafish ...

That can prevent enough blood flow, although you may not have symptoms for many years. Your doctor will be able to see this on an imaging test. An enlarged heart isn’t a condition. But it is a ...

The agency OK’d an artificial vessel to restore blood flow in patients, even though its own scientists flagged questionable ...

As your heart expands, blood flows from your body into its chambers ... This short film is from the BBC series, Inside the Human Body. The 3D footage brings the topic to life and would enhance ...

The syndrome more commonly affects younger women, and symptoms are made worse when standing, often leading to dizziness, brain fog, rapid heart rate, and fatigue. In collaboration with the South ...

Examination of human participant samples and IPA further ... and myocardial ischemia, a cutting off of blood flow to the heart, both followed by a return to blood flow. They found that mice ...

Originally appeared on the NOVA Web site Cut to the Heart. Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and ...

The human body wasn’t designed ... During exercise, your heart pumps faster, vessels dilate to accommodate increased blood flow, and the rhythmic contraction of muscles helps propel blood ...