There’s no doubt that blood saves lives.   According to the Red Cross, in the United States alone about five million people need a total of 14 million pints of...

Previously in The Blog, we discussed two papers that identified genetic variants associated with hemoglobin levels in circulating blood. But blood consists of much more than hemoglobin, and it is...

Doctors routinely order the complete blood count (CBC) for their patients because they can learn a lot about a person’s health by measuring the numbers of different types of blood...

Editor’s note: This post has been edited to reflect the current product. When it comes to blood transfusions, what’s good for one person might be deadly for another. This might...