It's an executive functioning disorder, the DSM-V is the relevant authority and describes it in the linked document. It is clearly defined and operationalised

It's an executive functioning disorder, the DSM-V is the relevant authority and describes it in the linked document. It is clearly defined and operationalised for medical diagnostic purposes. https://www.aafp.org/dam/AAFP/documents/patient_care/adhd_toolkit/adhd19-assessment-table1.pdf?ref=clarityxdna.com https://www.aafp.org/dam/AAFP/documents/patient_care/adhd_to... It's causes are understood to be a combination of genetic risk factors (its heritable and follows family trees), and environmental factors such as child abuse increase the odds of an ADHD diagnosis being made.