Many 18th c. treatments for psychological distress were based on pseudo-scientific ideas, such as Phrenology.
NY College of Health Professions Massage Therapy Class
Cover of The Psychological Clinic, the first journal of clinical psychology, published in 1907 by Lightner Witmer
The University of Pennsylvania was the first to offer formal education in clinical psychology.
Fluoxetine hydrochloride, branded by Lilly as Prozac, is an antidepressant drug prescribed by physicians, psychiatrists, and some nurses.

In many countries, clinical psychology is a regulated mental health profession.

- Clinical psychology

As Dr. William Anthony, father of psychiatric rehabilitation, described, psychiatric nurses (RNMH, RMN, CPN), clinical psychologists (PsyD or PhD), clinical social workers (MSW or MSSW), mental health counselors (MA or MS), professional counselors, pharmacists, as well as many other professionals are often educated in "psychiatric fields" or conversely, educated in a generic community approach (e.g. human services programs or health and human services in 2013).

- Mental health professional
Many 18th c. treatments for psychological distress were based on pseudo-scientific ideas, such as Phrenology.

3 related topics

Alpha

The prevalence of mental illness is higher in more economically unequal countries

Mental disorder

Behavioral or mental pattern that causes significant distress or impairment of personal functioning.

Behavioral or mental pattern that causes significant distress or impairment of personal functioning.

The prevalence of mental illness is higher in more economically unequal countries
"Haus Tornow am See" (former manor house), Germany from 1912 is today separated into a special education school and a hotel with integrated work/job- and rehabilitation-training for people with mental disorders
Deaths from mental and behavioral disorders per million persons in 2012
Eight patients representing mental diagnoses as of the 19th century at the Salpêtrière, Paris.
A patient in a strait-jacket and barrel contraption, 1908
Insulin shock procedure, 1950s
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Giorgio Antonucci
Thomas Szasz

Such disorders may be diagnosed by a mental health professional, usually a clinical psychologist or psychiatrist.

Freud, seated left of picture with Jung seated at the right of the picture. 1909

Psychotherapy

Use of psychological methods, particularly when based on regular personal interaction, to help a person change behavior, increase happiness, and overcome problems.

Use of psychological methods, particularly when based on regular personal interaction, to help a person change behavior, increase happiness, and overcome problems.

Freud, seated left of picture with Jung seated at the right of the picture. 1909
Group therapy, Ukraine

Psychotherapists may be mental health professionals such as psychiatrists, psychologists, mental health nurses, clinical social workers, marriage and family therapists, or professional counselors.

The American Psychological Association adopted a resolution on the effectiveness of psychotherapy in 2012 based on a definition developed by American psychologist John C. Norcross: "Psychotherapy is the informed and intentional application of clinical methods and interpersonal stances derived from established psychological principles for the purpose of assisting people to modify their behaviors, cognitions, emotions, and/or other personal characteristics in directions that the participants deem desirable".

The Two Continua Model of Mental Health and Mental Illness

Mental health

Mental health encompasses emotional, psychological, and social well-being.

Mental health encompasses emotional, psychological, and social well-being.

The Two Continua Model of Mental Health and Mental Illness
A woman sitting on steps with a broken shopping cart full of papers to her left. Around her there is trash and the floor looks dirty and unsanitary.
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A woman towards the right and a man towards the left. Both sitting cross legged with their eyes closed. Their hands resting on their knees with their palms facing up.

There are also models as theoretical perspectives from personality, social, clinical, health and developmental psychology.

Many mental health professionals are beginning to, or already understand, the importance of competency in religious diversity and spirituality.