The American Academy of Arts and Sciences (AAA&S) is one of the oldest learned societies in the United States.

The American Psychiatric Association (APA) is the main professional organization of psychiatrists and trainee psychiatrists in the United States, and the largest psychiatric organization in the world.

Cognitive-behavioral therapy (CBT) is a psychotherapy approach that focuses on the connection between our thoughts, feelings, and behaviors.

The Wikipedia page "Doctor of Medicine" provides a comprehensive overview of the professional degree awarded to medical practitioners around the world.

Internal medicine, also known as General Internal Medicine or General Medicine, is a medical specialty that focuses on the prevention, diagnosis, and treatment of adult diseases.

Jean Piaget (1896-1980) was a Swiss psychologist and philosopher known for his pioneering work in the field of developmental psychology.

The National Institute of Mental Health (NIMH) is one of 27 institutes and centers that make up the National Institutes of Health (NIH).