A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross.

Blood – everyone's got it. In fact, an adult who weighs between 150 and 180 pounds has around 1.2 to 1.5 gallons of blood in their body. This makes up approximately 10% of an adult’s weight. Blood ...

Healthcare has grappled with a shortage of sodium citrate blood collection tubes — those with a light blue top — since June 2021. But according to an FDA update earlier this year, all blood collection ...

The FDA is recommending that healthcare providers only perform blood draws considered medically necessary, after interruptions in the nationwide supply chain and the COVID-19 pandemic have caused ...

FORT LEONARD WOOD, Mo. — A child with a rare blood disease; an adult injured in a vehicle accident; someone with cancer; and a warrior injured on the battlefield all have something in common. They all ...

SAN FRANCISCO -- Switching to routine use of small-volume blood draws in adult intensive care units (ICUs) for most laboratory testing appeared to cut blood transfusions without compromising those ...

Dr. Karl Landsteiner won the Nobel prize in 1930 for developing the ABO blood group system. The ABO system is the best known method of classifying blood types. It’s important to know your blood type ...