As I have learnt, ADHD has high comorbidity rates with many other disorders; depression, ODD (oppositional defiance disorder), OCD (obsessive-compulsive disorder), dyslexia, and dyscalculia to name but a few.  Anxiety is one of these linked to ADHD, with a 25% comorbidity rate.  However, anxiety disorders are difficult to recognise as anxiety is often internalized and unless the level of anxiety causes weight loss, sleeplessness or perhaps the refusal to go to school etc, it can often go unmissed.  This can then lead to poor concentration in school or restlessness which can be interpreted as a sign of ADHD.  So, is it ADHD…