FILE - This Jan. 3, 2009 file photo shows a person with diabetes testing his blood sugar level in Kamen, Germany. New research published Thursday by researchers at Massachusetts General Hospital shows that the BCG vaccine, normally used for treating tuberculosis, may bring down blood sugar levels in people living with Type 1 diabetes over the course of several years.
FILE - This Jan. 3, 2009 file photo shows a person with diabetes testing his blood sugar level in Kamen, Germany. New research published Thursday by researchers at Massachusetts General Hospital shows that the BCG vaccine, normally used for treating tuberculosis, may bring down blood sugar levels in people living with Type 1 diabetes over the course of several years. AP Photo/Joerg Sarbach, File.
FILE - This Jan. 3, 2009 file photo shows a person with diabetes testing his blood sugar level in Kamen, Germany. New research published Thursday by researchers at Massachusetts General Hospital shows that the BCG vaccine, normally used for treating tuberculosis, may bring down blood sugar levels in people living with Type 1 diabetes over the course of several years. AP Photo/Joerg Sarbach, File.