Old TB Vaccine Improves Diabetes Blood Sugar Levels

Investigators at Massachusetts General Hospital (MGH) have just released long-term data from a controversial study that used a generic vaccine for tuberculosis to reverse advanced type 1 diabetes. The MGH researchers showed that three years after receiving two administrations of the Bacillus Calmette-Guérin (BCG) vaccine four weeks apart, all members of a group of adults with longstanding type 1 diabetes showed an improvement in HbA1c to near normal levels—an improvement that persis