Shankar Vedantam is the host and creator of Hidden Brain. The Hidden Brain podcast receives more than three million downloads per week. The Hidden Brain radio show is distributed by NPR and featured on nearly 400 public radio stations around the United States.
Until last year, the number of children orphaned because a parent died from AIDS, was plummeting. That's thanks to America's 20 year effort to get lifesaving HIV meds to millions in need. But last years upheaval in foreign aid funding is raising concern that more children will be at risk of losing a parent to the deadly virus.