Your heart is an amazing organ. It continuously pumps oxygen and nutrient-rich blood throughout your body to sustain life. This fist-sized powerhouse beats (expands and contracts) 100,000 times per ...

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 to ...

The heart is a complex organ that pumps blood throughout the body. It sits in the chest, slightly left of center, behind the breastbone, and between the lungs. A heart that is not healthy does not ...

BALTIMORE, Nov. 2 (UPI) --Researchers at Johns Hopkins Medicine say corkscrew-shaped blood flow through part of the heart may indicate a lower stroke risk. In a study published in the journal Annals ...

Reducing the salt in your diet can help lower your blood pressure , but it may also lower your risk for having a heart attack or stroke in another important way. Results from a new study suggest that ...

Arteries are blood vessels that carry blood rich in oxygen throughout your body. They go to your brain as well as to the tips of your toes. Healthy arteries have smooth inner walls and blood flows ...

Testing a total artificial heart To observe real-time blood flow in an artificial heart in the MRI, researchers at Linköping University built a full-scale model of the human circulatory system.

Cocaine users have subtle abnormalities in blood flow through the heart's smallest blood vessels. The abnormalities can occur while the heart appears normal on imaging test, putting cocaine users at ...

Done in the ambulance, this simple and safe intervention - inflation of a blood pressure cuff to cut off blood flow to the arm during transportation to hospital for acute balloon dilatation – reduces ...

A sudden restriction of blood flow to the brain. That's how scientists have traditionally explained why people faint. But several mysteries remain: What causes someone's blood flow to spontaneously ...