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2.1.2

The continuum of mental health and mental illness

Mental health:

is a positive concept and is more than the absence of a mental disorder. It is “a state of well-being in which the individual realizes their own abilities, can cope with the normal stresses of life, can work productively and fruitfully, and is able to make a contribution to their community” (WHO, 2018). Mental health is about feeling good and functioning well (CMHA, 2020):

Mental illness (or mental disorder):

is a recognized, medically diagnosable illness that is characterized by alterations in thinking, mood or behaviour associated with significant distress and impaired functioning (Government of Canada, 2006: 2).

Mental health is on a continuum from optimal to poor, while mental illness is on a continuum from extremely severe symptoms to no symptoms. Between these are a range of different situations where symptoms are present to various degrees. As a result, an individual can have optimal mental health with or without mental illness, or poor mental health with or without a mental illness.

Mental health and mental illness are not mutually exclusive. They can each be considered as separate but related continuums, as shown below:
Optimal mental health

Optimal mental health with no symptoms of mental illness

Optimal mental health with presence of mental illness

Serious mental illness with poor mental health

Poor mental health with no symptoms of mental illness

Poor mental health
diagram of arrows pointing up, down, left, and right
Serious mental illness
No symptoms of mental illness
Image 1-1: The continuums of mental health and mental illness (CMHA, 2018) (Adapted from “What is Mental Health and Mental Illness?” by the Canadian Mental Health Association, www.ontario.cmha.ca. © Canadian Mental Health Association, Ontario; 2018. Reprinted with permission.)

Resilience and mental health

Resilience is described as adaptation and coping as a response to adversity. Resilience has been shown to be linked to both individual characteristics (e.g., personality, cognitive ability) and external influences (e.g., family, school, peers) (Pashang et al., 2019). In terms of its relation to mental health, resilience is positively correlated with positive mental health outcomes (e.g., well-being, life satisfaction) (Satici, 2016); it is negatively correlated with, and partially correlated with, the relationship between mental illness, including depression and anxiety, among others (Shapiro et al, 2019).

Resilience includes two main factors that influence the level of coping, those that challenge and that promote resilience.