When it comes to profound depression, many people just can't get relief from current treatments.
Now there's more evidence that the anesthetic ketamine, sometimes abused as a club drug, has potential as a fast-acting treatment for the condition.
Doctors at the Mayo Clinic gave 10 patients ketamine twice a week as an infusion that lasted 100 minutes. All the people had depression that had resisted other treatments. The patients got ketamine until their symptoms abated or they'd had four infusions of the drug.
The two Koreas have agreed in principle to talks aimed at mending their almost nonexistent relations, but they are stalled on the question of where to meet.
South Korea has suggested that high-level talks take place in its capital, Seoul, but North Korea has countered that only lower-level negotiations should take place and they should be held in its border city of Kaesong.
The rival Koreas have not met face to face for such negotiations since February 2011.
This story from Planet Money's Alex Blumberg and NPR's Laura Sydell aired this weekend on This American Life. A shorter version of the piece is also airing today on All Things Considered. Here's the story.
This week TheGuardian newspaper shared with its readers a document that few people ever get to see — an order from the Foreign Intelligence Surveillance Court telling Verizon to share countless phone records with the National Security Agency. The White House would not confirm the existence of this surveillance effort, but it insisted Congress is fully briefed about such activities. Members of Congress confirmed that they knew.