This document discusses adolescent depression, including its causes, symptoms, and treatment options. It notes that depression affects about 2 million Americans under 18 each year. Left untreated, depression in teens can lead to problems like substance abuse, eating disorders, self-harm, reckless behavior, and suicide. However, more than 80% of depressed teens can be successfully treated with approaches like therapy and antidepressants. The document encourages teens struggling with depression to seek help from trusted individuals like parents, counselors, or medical professionals.