I should hope not. Chronic stress and PTSD do have shared symptoms with ADHD, but do not cause it. ADHD is genetic and neurodevelopmental in origin. Functioning and symptoms do vary with stress though.
Of interest though is that the causality does run the other direction, with those who have ADHD at a higher risk of incidence for psychosocial trauma and development of PTSD subsequent to traumatic events.
Of interest though is that the causality does run the other direction, with those who have ADHD at a higher risk of incidence for psychosocial trauma and development of PTSD subsequent to traumatic events.