Question

Why is factor 9 deficiency called Christmas disease?

Answer 1

Christmas disease:

1. Christmas disease is caused due to the lack of protein factor 9 in the blood.
2. Factor 9 is a naturally produced protein in the body that facilitates the blood to form clots hence stopping bleeding.
3. Factor 9 injections are also used to treat haemophilia B.
4. The deficiency of factor 9 protein is known as Christmas disease as the first person to be diagnosed with the disorder in the year 1952, was named Stephen Christmas.