A new study published in the American Heart Association journal Arteriosclerosis, Thrombosis and Vascular Biology found that people with blood type A, B, or AB — 66% of the American population — had a higher risk for coronary heart disease compared to those with blood type O .
The Red Cross recently announced that its blood supply has reached emergency levels . Donations are down more than 10% across the country, resulting in 50,000 fewer pints of blood than expected last month.
National Institutes of Health (NIH)-funded scientists have corrected sickle cell disease in adult laboratory mice by activating production of a special blood component normally produced before, but not after, birth.
Sickle cell disease is a recessive genetic disorder caused by a single base mutation in the gene for hemoglobin, beta locus (HBB). Hemoglobin is responsible for transporting oxygen throughout the body. People living with sickle cell disease have two copies of an altered gene that produces sickle hemoglobin instead of normal adult hemoglobin. Sickle hemoglobin changes shape after releasing its oxygen, causing the red blood cell to become stiff, misshapen and sticky, and slowing blood flow to tissues. This process damages organs and causes pain.