More than 600,000 Americans suffer from stroke each year, enough to make the disorder the third leading cause of death in the United States. But new medicines are being developed to help reduce the damage done to the brain when a stroke occurs. Dr. Warren Felton (Virginia Commonwealth University/ Medical College of Virginia) tells us what happens when a stroke occurs, and what can be done to help patients.

Also featured: Could blood transfusions become a thing of the past? People aren’t donating enough blood, and the cost of the red stuff is going up. Dr. Bruce Spiess (Virginia Commonwealth University/ Medical College of Virginia) is a leading expert on reducing the amount of blood required in heart surgery.

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