The heart, in a way, is the body's motor. Its job is to pump and circulate blood around the body to provide oxygen to all of our other tissues. Because of its key role, cardiac trouble and dysfunction mean serious health concerns. This is responsible for one in every four deaths annually in the Read More...
Everyone inherits a certain blood type – A, B, AB, or O – which also determines the type of blood you can receive via transfusion. Inject a recipient with an incompatible type, and the reaction can be fatal. The difference between the various blood types centers on the sugar molecules, or blood Read More...