Medically reviewed by Amelia MacIntyre, DO One of the most important characteristics of blood is its type. Knowing your blood ...

A person with type O blood doesn't produce any antigens. Blood is said to be "positive" or "negative" based on whether there are proteins on the red blood cells. If your blood has proteins, you're ...

If your blood has proteins, you're Rhesus, or Rh, positive. People with type O-negative blood are considered "universal donors" because their blood doesn't have any antigens or proteins ...

James Harrison, who according to the Australian Red Cross was the world's most prolific blood and plasma donor, has died at ...

J ames Harrison – also known as the "man with the golden arm" – died in his sleep on Monday, February 17, in a nursing home ...

By donating blood over 1,100 times, James Harrison helped develop Anti-D, a life-saving treatment for newborns at risk of ...

James Harrison’s legacy is at the heart of a wild story about canny science, boundless goodwill and an errant blood transfusion vanquishing a devastating and deadly disease.

Nicknamed the “man with the golden arm,” James Harrison donated his blood over 1,100 times over the course of six decades.

James Harrison, known as the 'Man with the Golden Arm,' passed away after donating blood plasma over 1,100 times, saving an ...

James Harrison, whose blood contained a rare antibody used to make lifesaving medication, is credited with saving the lives ...