This article explains how to recognise and respond to depression in adolescents. It outlines the key symptoms - such as persistent low mood, irritability, loss of interest, and changes in sleep or energy - and notes that depression is becoming increasingly common among young people due to overlapping stressors like social isolation, financial pressures, and global events. The article provides practical guidance for parents, including how to start open conversations, validate their teen's feelings, and seek professional help when needed.