A new ADHD drug just got FDA approval. Here's what makes it different.

  The Food and Drug Administration (FDA) just approved Simtriyo (centanafadine), a new norepinephrine, dopamine, serotonin reuptake inhibitor (NDSRI) and central nervous system (CNS) stimulant. The medication treats ADHD in adults, teens, and children ages 6 and up weighing at least 44 pounds. Most stimulant and non-stimulant ADHD medications raise the levels of two different