Endeavor: Digital Therapeutic (the First Prescription Non-Drug Treatment) to Improve Attention in Children with ADHD Delivered Through an Action Video Game The US Food and Drug Administration (FDA) cleared the first digital prescription attention treatment device (EndeavorRx™: prescription-only game-based device) to improve attention in pediatric patients ages 8 to 12 years old with attention deficit hyperactivity disorder (ADHD) delivered through