This research is studying a vaccine against Mpox (formerly known as monkeypox) that is FDA approved for adults but not yet approved for children. The goal of the study is to determine if the vaccine protects children just as well as it protects adults. The study is also looking at the safety of the vaccine. This study is open to healthy adolescents, ages 12-17. In addition, adolescents with certain immunodeficiency diseases or other conditions, that are well controlled, are eligible to participate.

The Children's Hospital of Philadelphia is recruiting teen drivers to participate in a study that is testing different types of driver training program for reducing new driver crash risk. This study is open to teens between the ages of 16-17 years old who already have an active Pennsylvania learner permit.

We are looking for adolescents who have a current diagnosis of anorexia nervosa or other specified feeding and eating disorder and one parent to participate in a study to help us understand higher order thinking differences in teens with eating disorders. We are also looking for adolescents who do not have an eating disorder. The purpose of this study is to look for associations between higher order thinking and eating disorders. These findings may help us understand the impact of eating disorders on thinking skills.

This study wants to know about the problems that Black or African American teenagers with type 1 diabetes (T1D) and their families face. It also wants to see how these problems affect their feelings, behavior, and how they get along with others. The study will find out how well they can handle T1D and adapt to it. It will also learn how good things like being strong, family, and where they live might help young people who have to deal with hard things. This includes how well they handle their feelings, behavior, relationships, and T1D care.

Conversations are important for getting along in everyday life, but we don't really know what makes them successful. This study aims to find out what factors help make conversations better. By looking at different talking styles and techniques, we want to learn how to have more effective and enjoyable conversations. We are seeking volunteers between 12-15 years old both with and without autism and their families to partner with us.

The purpose of this study is to evaluate social interactions in adolescents and whether changes in information can influence social behaviors. This study will focus on behavioral assessments of social processing over time in adolescents. The information collected in this study is essential for developing clinical treatments focused on addressing social processes in adolescents with restrictive eating disorders and to improve our understanding of social processing in adolescents with restrictive eating disorders, informing both future research and clinical care.