Dix's efforts were so great that there was a rise in the number of patients in mental health facilities, which sadly resulted in these patients receiving less attention and care, as these institutions were largely understaffed.
Emil Kraepelin in 1896 developed the taxonomy of mental disorders which has dominated the field for nearly 80 years.
Later the proposed disease model of abnormality was subjected to analysis and considered normality to be relative to the physical, geographical and cultural aspects of the defining group.
At the beginning of the 20th century, Clifford Beers founded the Mental Health America – National Committee for Mental Hygiene after publication of his accounts from lived experience in lunatic asylums "A mind that found itself" in 1908 The mental hygiene movement, related to the social hygiene movement, had at times been associated with advocating eugenics and sterilisation of those considered too mentally deficient to be assisted into productive work and contented family life.
An example of a wellness model includes one developed by Myers, Sweeney and Witmer.
The tripartite model of mental well-being views mental well-being as encompassing three components of emotional well-being, social well-being, and psychological well-being.
Emotional well-being is defined as having high levels of positive emotions, whereas social and psychological well-being are defined as the presence of psychological and social skills and abilities that contribute to optimal functioning in daily life.
According to Richards, Campania, & Muse-Burke, "There is growing evidence that is showing emotional abilities are associated with prosocial behaviors such as stress management and physical health." Their research also concluded that people who lack emotional expression are inclined to anti-social behaviors (e.g., drug and alcohol abuse, physical fights, vandalism), which are a direct reflection of their mental health and suppress emotions.
Mental wellness is generally viewed as a positive attribute, even if the person does not have any diagnosed mental health condition.