Immunotherapy Mystery Solved (VIDEO) UT Southwestern Medical Center This video is under embargo. Please login to access this video. Caption It's an effective treatment that boosts the body's natural defenses to attack cancer, and now researchers at UT Southwestern have uncovered why immunotherapy works for some patients but causes autoimmune complications in others. The findings could help clinicians better customize treatments. Credit UT Southwestern Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.