--- title: Youth Exposed to Trauma Often Have Long-Lasting Symptoms of Depression description: Children and teenagers who have been exposed to trauma are very likely to experience clinically significant symptoms of depression in the aftermath of the trauma, with many of them continuing to experience symptoms a year later. image: https://alert.psychnews.org/hubfs/Imported_Blog_Media/teen_therapist_iStock-1051247498.jpg --- 3/12/26 2:41 PM # Youth Exposed to Trauma Often Have Long-Lasting Symptoms of Depression ![Picture of Psychiatric News Alert](https://alert.psychnews.org/hs-fs/hubfs/Psych%20News%20Email%20Banners/PN-Blue-Box_rgb.png?width=50&name=PN-Blue-Box_rgb.png) [ Psychiatric News Alert ](https://alert.psychnews.org/author/psychiatric-news-alert) Share: [facebook-f icon ](http://www.facebook.com/share.php?u=https://alert.psychnews.org/youth-exposed-to-trauma-often-have-long-lasting-symptoms-of-depression) [linkedin-in icon ](http://www.linkedin.com/shareArticle?mini=true&url=https://alert.psychnews.org/youth-exposed-to-trauma-often-have-long-lasting-symptoms-of-depression) [Twitter icon ](https://twitter.com/intent/tweet?url=https://alert.psychnews.org/youth-exposed-to-trauma-often-have-long-lasting-symptoms-of-depression) [pinterest-p icon ](http://pinterest.com/pin/create/link/?url=https://alert.psychnews.org/youth-exposed-to-trauma-often-have-long-lasting-symptoms-of-depression) [envelope icon ](mailto:?body=https://alert.psychnews.org/youth-exposed-to-trauma-often-have-long-lasting-symptoms-of-depression) ![teen_therapist_iStock-1051247498](https://alert.psychnews.org/hs-fs/hubfs/Imported_Blog_Media/teen_therapist_iStock-1051247498.jpg?width=220&height=147&name=teen_therapist_iStock-1051247498.jpg)Children and teenagers who have been exposed to trauma are very likely to experience clinically significant symptoms of depression in the aftermath of the trauma, with many of them continuing to experience symptoms a year later, according to a [report](https://www.sciencedirect.com/science/article/pii/S0165032726004520) in the *Journal of Affective Disorders*. Only a small proportion of young people don’t experience persistent symptoms.   **Why It’s Relevant** Data indicate that [more than 60%](https://www.jaacap.org/article/S0890-8567(13)00338-9/fulltext) of adolescents in the United States experience trauma by the age of 17. While some youth demonstrate resilience, many will develop psychological conditions such as PTSD and depression. Despite this, the natural trajectories for depression following trauma—particularly in youth—are poorly understood, hindering the development of effective interventions.   **By the Numbers** - The researchers pooled data on **2,006 trauma-exposed youth ages 7 to 18 across four countries** who completed measures of depression symptoms across acute- (>24 hours to 1 month), short- (>1 to 3 months), intermediate- (>3 to 6 months), and/or long-term (>6 to 12 months) windows. - The prevalence of children who likely had “clinically significant depression” was **38.7%** in the acute-, **57.9%** in the short-, **47.1%** in the intermediate-, and **41.8%** in in the long-term window. - Two depression trajectories were identified among the 576 youth who completed all four assessments:About 30% (*n* = 165) did not experience depression symptoms, while the other **70% (*n* = 411) experienced persistent symptoms**. **The Other Side** Measures of depression varied across the pooled studies, so the researchers could only assess “likely depression”; how many of these children and adolescents would meet *DSM-5* criteria for depression is unclear. Moreover, a minority of patients in the pooled sample provided symptom measurements across all time windows, so the trajectories didn’t reflect the entire sample.   **Takeaway Message** Depression is a common response to exposure to traumatic experiences, and symptoms of depression are unlikely to resolve spontaneously. “This finding indicates that a proactive approach to screening and treatment of depression is likely to improve clinical outcomes for those who have been exposed to a traumatic event,” the researchers wrote.   They added that further research would help support the development of a robust model of posttraumatic depression development in children that also consideres its relationship with other psychopathologies.   **Related Information** “[Self-Help App Aims to Help People Recover From Trauma](https://psychiatryonline.org/doi/10.1176/appi.pn.2025.06.6.29)”   **Source** Amber Edwards, et al. The prevalence and course of post-traumatic depression in children and adolescents *Journal of Affective Disorders*. Published March 9, 2026. 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