ADHD in adults is often undiagnosed and carries a burden of untreated symptoms and co-morbidities which can mask ADHD symptoms and obstruct access to adequate help and treatment. A major research literature review on ADHD is conducted by our Canadian colleagues.
Martin A. Katzman et al. Adult ADHD and comorbid disorders: clinical implications of a dimensional approach. BMC Psychiatry (2017) 17:302