This week: How the kidney waiting list works; dealing with patients with impaired consciousness; helping someone with cancerTransplant surgeon Reza Saidi explains how kidneys are allocated. Bioethicist Syd Johnson talks about her book, "The Ethics of Uncertainty." And psychologist Dorianne Eaves tells how to help someone who has been diagnosed with cancer.
Doctors are researching why some patients remain unconscious for days or weeks, even after sedating drugs are withdrawn. They also worry that these patients aren't being given time to recover.