Then, more than 12,000 Americans are on the waiting list for a liver transplant. And, 1 in 5 of those on the national waiting list will die or become too sick before an organ becomes available. Dr. Timucin Taner, a Mayo Clinic transplant surgeon, discusses Mayo Clinic efforts to expand living liver donation program, and how you can become an organ donor.

Plus, a look at a fascinating breakthrough from Johns Hopkins Medicine researchers to treat dangerous swelling of the brain. Dr. Chad Gordon, Director of Neuroplastic and Reconstructive Surgery at johns Hopkins, says there are nearly 70,000 hydrocephalus operations performed annually.