Is it ADHD — or Autism?

Posted October 27, 2015, 8:00 am, Updated October 29, 2015, 5:40 pm Claire McCarthy, M.D., Faculty Editor, Harvard Health Publications Attention deficit hyperactivity disorder (ADHD) and autism can look a lot alike. Children with either one can be very active and impulsive, and can have trouble focusing and interacting with other people. In fact, it can be hard to tell the difference between the two. …