Human bodies are designed to move in order to circulate blood and nutrients to every cell. Staying active and on the move is crucial to our health for a lot of reasons. But it's especially important ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

A new ultrasound-based imaging tech has been developed to map the organ blood flow in four dimensions (3D + time) — a level ...

Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing. For many years, ...

Poor circulation, common with age, can lead to serious health issues. Staying active is crucial, and calf raises offer a simple solution when regular movement is limited. These exercises activate calf ...

Biomedical engineer Nenad Bursac, standing, and postdoctoral associate Tianyu Wu image a heart tissue patch through a microscope at the Bursac lab at the Duke University Pratt School of Engineering.