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, ...

Reduced blood flow can cause unpleasant symptoms, such as pain, muscle cramps, numbness, digestive issues and coldness in the hands or feet. In addition to those with poor circulation, athletes and ...

A puzzle for millennia, the movement of blood through the body was solved by an English physician in the 17th century, paving the way for modern medical technologies. What do chemotherapy, dialysis, ...

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that ...

Researchers at USC have created the first method to noninvasively measure microscopic blood vessel pulses in the human brain. Using advanced 7T MRI, they found these tiny pulsations grow stronger with ...

New technique could overcome restrictions on size and functionality and prevent necrotic regions of dead cells.

Making stem cells from a patient's adult cells -- rather than human embryos -- is one of the holy grails in modern medicine treatments. New research brings us two steps closer. Biomedical engineers ...