![PBS NewsHour show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/914/small/pbs-newshour-podcast-pbs.jpg)
Summary: A new study in the journal Neurology finds Alzheimer’s may account for many more deaths than we previously realized. While the CDC ranks the disease as the sixth-leading killer in the U.S., the new study puts the annual death toll at around half-a-million, pushing it up to the third leading cause of death. Hari Sreenivasan learns more from Dr. Bryan James of Rush University Medical Center.