For many parents, depression in adolescents is the furthest thing from their minds when their teenagers turn moody and cranky. We know that the teenage years are fraught with perils of their own: hormonal instability, emotional turmoil,moodiness, heightened sensitivity,teen angst. This is the time when our sunny and cooperative 12 year old turns into a rebellious, mouthy critic. Yes, she wants a nose ring and thinks nothing of staying out till 4 in the morning.Her favorite motto--"Everyone does it!"-- justifies all. But can we attribute such behavior changes to hormones alone? When do these changes indicate something more serious like Depression? Find out how to tell the difference between Teen Moodiness and Depression.