Most people don’t spare a thought for their blood type unless they’re in need of a transfusion — but could yours hold secrets ...

Across life on Earth, blood comes in blue, green, purple, even clear. But why? And what makes your blood different from mine? This is the strange world of blood—what it does, why it varies, and why we ...

Do you know your blood type? Scientists say everyone should in case of a life-threatening event that results in a need for a blood transfusion. But now, they've discovered a new group of blood types ...

Medically reviewed by Amelia MacIntyre, DO There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative.Knowing your blood type is important for safe blood ...

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.

Understanding blood type compatibility is necessary for ensuring safe blood transfusions and organ donations. We will explore the different blood types, how they are compatible with each other, and ...

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 ...

The type of blood clot a person has will typically depend on where they affect a person’s body. Although they have different causes and symptoms, blood clots can have serious or fatal complications.