We are doing this study because we want to find out if MRI brain scans alone is better or worse than MRI brain scans plus preventative brain radiation for patients with small lung cancer. The usual approach for patients with small cell lung cancer is prophylactic…
Children with Attention-Deficit/Hyperactivity Disorder (ADHD) are typically treated with two types of medications: stimulants and non-stimulants. These medications work in different ways to treat ADHD symptoms, but we do not fully understand the brain mechanisms underlying the medications' effects. This study will use MRI…