Learn about our Improving the Odds for Adolescents project. Vulnerable Teens Adolescence is a critical period for mental, social, and emotional wellbeing and development. During adolescence, the brain undergoes significant developmental changes, establishing neural pathways and behavior patterns that will last into adulthood. 1 Because their brains are still developing, adolescents are particularly receptive to … Continue reading Adolescent Mental Health in the United States: Facts for Policymakers