Kara Gavin

We all make mistakes, and some cost more than others. Now, researchers have peered inside the brain to see what happens at the moment we realize our error -- and its price. Their findings may have implications for understanding obsessive-compulsive disorder.

Patients in need of emergency coronary artery angioplasty fare better when treated at a hospital that performs the procedure around the clock than at one that offers angioplasty part time, according to a study in the Jan. 17 issue of Circulation.