<unk>  or<unk>  depression is a traditional name for a psychiatric disorder affecting mainly elderly or late middle-aged people, usually accompanied with paranoia. It is classically defined as "depression of gradual onset occurring during the<unk>  years (40-55 in women and 50-65 in men), with symptoms of marked anxiety, agitation, restlessness, somatic concerns, hypochondriasis, occasional somatic or nihilistic delusions, insomnia, anorexia, and weight loss."<unk>  is not recognized as a psychiatric disorder by the DSM-5, the American Psychiatric Association's (APA) classification and diagnostic tool.
Involutional melancholia
Klazomania
Graphomania
Strephosymbolia
Onychotillomania
Myxedema psychosis
Unitary psychosis
Gemütlose psychopathy