The new 4D imaging tech is expected to improve the diagnosis and treatment of blood circulation-related diseases.

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, ...

Healthy blood circulation and balanced blood pressure are essential to a good heart and a clear mind. Once these functions ...

WASHINGTON, Sept 8 (Reuters) - New research has identified yet another way that spaceflight tampers with the human body. A study involving samples flown on four SpaceX resupply missions to the ...