I would argue that the vast majority of people diagnosed with ADHD don't fit the DSM V criteria for a disorder. They're experiencing "an expectable response to

I would argue that the vast majority of people diagnosed with ADHD don't fit the DSM V criteria for a disorder. They're experiencing "an expectable response to common stressors", and probably not "reflecting an underlying psychobiological dysfunction" - they're human, humans are often distracted, this is not a disease until it gets to the level where it absolutely begins to destroy your life, and even then it's probably reflective of something else going on rather than a primary disease. The key to anything as a disorder in the DSM is that it: Features A a behavioral or psychological syndrome or pattern that occurs in an individual B the consequences of which are clinically significant distress (e.g., a painful symptom) or disability (i.e., impairment in one or more important areas of functioning) C must not be merely an expectable response to common stressors and losses (for example, the loss of a loved one) or a culturally sanctioned response to a particular event (for example, trance states in religious rituals) D that reflects an underlying psychobiological dysfunction E that is not solely a result of social deviance or conflicts with society F that has diagnostic validity using one or more sets of diagnostic validators (e.g., prognostic significance, psychobiological disruption, response to treatment) G that has clinical utility (for example, contributes to better conceptualization of diagnoses, or to better assessment and treatment) Other Considerations H no definition perfectly specifies precise boundaries for the concept of either “medical disorder” or “mental/psychiatric disorder” I diagnostic validators and clinical utility should help differentiate a disorder from diagnostic “nearest neighbors” J when considering whether to add a psychiatric condition to the nomenclature, or delete a psychiatric condition from the nomenclature, potential benefits (for example, provide better patient care, stimulate new research) should outweigh potential harms (for example, hurt particular individuals, be subject to misuse)