Dr. Gabriela Ilie, St. Michael's Hospital (IMAGE) St. Michael's Hospital Caption Teenagers who have suffered a traumatic brain injury such as a concussion are at "significantly greater odds" of attempting suicide, being bullied and engaging in a variety of high risk behaviors, according to a new study by Dr. Gabriela Ilie. Credit Courtesy of St. Michael's Hospital 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.