Istvan Toth-Kiraly (IMAGE) Concordia University Caption István Tóth-Király: "We think that problematic internet use and depressive symptoms are likely to be co-occurring instead of one determining the other." Credit Concordia 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.