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, ...

Red blood cells are complex — there's much more to blood types than A, B and O. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Many people know ...

The team used human stem cells to create embryo-like structures dubbed “hematoids” that mirror some features of early human ...

In 2011, a woman from the French overseas region of Guadeloupe underwent routine tests before a surgery. Strikingly, doctors could not identify her blood group, which was so unique that they did not ...

It’s driven by red blood cells and not the blood clots traditionally associated with this sort of damage. “We’ve discovered a completely new blood-clotting mechanism that has nothing to do with the ...

Your morning coffee might do more than wake you up – it could weaken donated blood. A large new study shows caffeine lowers red blood cell quality, making transfusions less effective, especially in ...

DEAR DR. ROACH: We’ve lived at 6,000 feet for about 30 years. Over the years, our mean corpuscular volume (MCV) levels have slowly increased to 100 fl (the normal range being 79-97 fl). Our primary ...

Here's three main ways to type your blood: One of the easiest and most effective ways to determine your blood type is to have your doctor perform a test. A professional will draw blood and then ...

It depends on the type of coffee you drank and the type of blood test you have scheduled. Black coffee typically does not affect tests that measure red blood cell count, liver function, or kidney ...