Substance abuse with adolescents is a serious concern. Adolescent substance abuse can lead to various problems such as impaired brain development, poor academic performance, behavioral issues, and mental health disorders. Some common substances abused by adolescents include alcohol, marijuana, tobacco, prescription medications, and illicit drugs. It is important for parents, caregivers, and educators to be aware of the signs of substance abuse in adolescents and to seek help early on. Treatment for adolescent substance abuse may include therapy, medication, and support groups.