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, ...

The former pub landlady from Grenoside, Sheffield, was told she had two to four years to live when she was diagnosed with a ...

Blood flow problems within the lungs could be driving long COVID in some children, according to scans using an advanced form of MRI. Children and teens with long COVID appear to have significantly ...

Cases of COVID-19, particularly severe ones, may increase a person’s risk of developing a pulmonary embolism. COVID-19 is a highly contagious, rapidly spreading illness. It can cause pneumonia, cold, ...

After declaring a national blood shortage and announcing that the United States’ blood supply has fallen to “critically low levels,” the American Red Cross is urging high schools to bring back blood ...