Persistent depressed mood, faltering school performance, failing relations with family and friends, substance abuse and other negative behaviors are signs that a teenager may be depressed.
Review Date: 1/27/2013
Reviewed By: Jennifer K. Mannheim, ARNP, Medical Staff, Department of Psychiatry and Behavioral Health, Seattle Children's Hospital. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.