mental hygiene

taking care of one's mental state, maintaining a mental health

Mental health is a term used to describe either a level of cognitive or emotional wellbeing or an absence of a mental disorder. From perspectives of the discipline of positive psychology or holism mental health may include an individual's ability to enjoy life, procure a balance between life activities, and efforts to achieve psychological resilience.
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Noun
1. the branch of psychiatry concerned with psychological methods
(synonym) psychotherapy, psychotherapeutics
(hypernym) psychiatry, psychopathology, psychological medicine
(hyponym) clinical psychology