October 14, 2015 8:20 am Using Urine to Detect Brain Tumors A urine sample can reveal pregnancy, an infection or unmask drug use. But could it also tell you about brain tumors? US & World Videos 0:45 Karen Read trial Day 3: Witness testimony resumes 1:56 Campus unrest continues at Boston schools 2:03 Man shot by police in Raynham pointed gun at officers, bodycam footage shows 2:10 Celtics crush Heat in Game 5 to advance in NBA playoffs 3:51 Lawrence fire officials say illegal apartments are a safety concern