Lenard A. Adler, MD, is a Professor of Psychiatry and Child and Adolescent Psychiatry at the NYU Grossman School of Medicine and Director of the Adult ADHD Program at NYU Langone Health. Topics covered:Symptomology (incl. sluggish cognitive tempo)Screening and diagnostic toolsPharmacological treatments (and recent developments)Cognitive behavioral therapy (CBT)Medication shortageApproaches to treatment-refractory patients