HealthJuly 4, 2026

nosology

/noʊˈsɒlədʒi/

Definition

The branch of medical science that deals with the systematic classification and naming of diseases, conditions, or categories.

Etymology

The word originates from the Greek 'nosos' (disease) and '-logia' (study of). It entered English in the early 19th century as a technical term for the systematic arrangement and classification of diseases.

In the news

In the article, the authors explain that a lack of standardized nosology for AI-based mental health tools makes it difficult to compare research, as different studies use inconsistent terminology to define what constitutes 'mental health support.'

Barriers to understanding how many people use AI for mental health support: an estimate and narrative review

Read the full article ↗

Nature

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