Chris Melde, Michigan State University (IMAGE) Michigan State University Caption "Youth who join a gang are much more likely to have mental health issues, and then being in the gang actually makes it worse," said Chris Melde, Michigan State University criminologist. Credit Michigan State University 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.