Major depressive disorder (MDD)BroaderMental depressionExcellentMetadataDatabaseWorld problemsType(G) Very specific problemsBiological classificationN/AContent qualityUnpresentable UnpresentableLanguageEnglishD7NID240275Last updateApr 15, 2022Official linkhttps://encyclopedia.uia.org/problem/major-depressive-disorder-mdd