When the System Doesn’t See You Individuals with ADHD are twice as likely to develop substance use disorder compared to those without ADHD. Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental condition that is characterized by impulsivity, hyperactivity, inattention, and challenges in executive functioning. ADHD is fairly common, affecting about 5% — 7.2% of youth and 2.5% —…