In TODAY.com's Expert Tip of the Day, a cardiologist explains how our emotional lives have "profound consequences" for the ...

One in three Japanese people is said to have high blood pressure, a condition that leads to more than 10,000 deaths annually ...

Some blood transfusion recipients have reported changes in their mood, behavior and even memories after undergoing the procedure. Researchers from the University of Geneva noted that six of seven ...

Your blood type affects everything, from a predisposition to certain diseases to your heart health. Knowing your blood type is important information that can come in handy during a medical emergency.