Co-occurring mental health conditions are more prevalent among people diagnosed with autism compared to those in the general population. Attention-deficit/hyperactivity disorder (ADHD) is the most prevalent co-occurring mental health disorder with autism, and affects about 28% of people with autism. These findings were reported in “Prevalence Of Co-Occurring Mental Health Diagnoses In The Autism Population: A Systematic Review And Meta-Analysis” by Meng-Chuan Lai, M.D.; Caroline Kassee, MHSc; Richard Besney, BSc; Sarah Bonato, MIS; Laura Hull, MSc; William Mandy, DClinPsy; Peter Szatmari, M.D.; and Stephanie H. Ameis, M.D. The authors conducted . . .