This is a randomized trial to help determine which of two gold standard treatments, Medication or Cognitive Behavioral Therapy (CBT), or their combination, is most effective when treating anxiety disorders in children and adolescents. Treatment of every child with an anxiety disorder begins with the question of which treatment to start first, and then what to do if that initial treatment is not as helpful as it should be. This study will help patients, families, and clinicians determine which treatment sequences are most helpful for which specific patients.

We want to learn more about how cancer treatment, such as immunotherapy (i.e., CAR T cell treatment), affects the brain, learning, and behavior in patients with Acute Lymphoblastic Leukemia (ALL).

The overall objective is to assess the influences that repeated head impact accelerative events (both impact and nonimpact) and concussions have on high school athletes as measured by brain structure and function, cognition, and behavior.