### condition | depression:

Major depression
* Major Depression Is a major mental illness of mood or affect.
* affects approximately twice as many women as men.
* can be a debilitating illness
  - occur at any age
  - range from mild to severe depending on the extent of the symptoms
  - take the form of despair, a bleak outlook that colors everything
* causes people to feel hopeless, exhausted and useless.
* clinical depression and usually requires treatment with antidepressants
  - disease that affects mood, body, and behavior
* constellation of symptoms that varies from person to person.
* dangerous disease and medical personnel are trained to deal with it.
* has a higher prevalence in females
  - an array of symptoms that can vary in severity over time
* includes a combination of symptoms that interfere with a person's functioning.
* is also a mood disorder
  - by far the leading mental illness and the leading cause of disability worldwide
  - characterized by sadness, withdrawal, despair, and suicidal thoughts
  - episodic with normal function between episodes
  - highly likely to respond to antidepressants or psychological treatment
  - marked by more severe or exaggerated symptoms
  - much more than a feeling of sadness
  - notoriously resistant to successful treatment of any kind
  - particularly common in persons diagnosed with cancer, stroke, and diabetes
  - recognized more and more in young people
* is the leading cause of disability in the U.S. and worldwide
  - psychiatric diagnosis most commonly associated with suicide
  - twice as common among people living alone as among others
* makes it almost impossible to carry on usual activities, sleep, eat or enjoy life.
* occurs in all groups of people
  - at least one third of patients after stroke
* refers to reactive or endogenous depression.
* responds to antidepressant medications.
* seems to occur generation after generation in some families.
* serious medical problem
  - mental health problem
* strikes one in four women, and one in ten men during their lifetime.
* very common and serious medical illness
  - disabling disorder

Mild depression
* affects about one in three women and one in six men.
* are usually a reaction to a loss of change that is experienced as stressful.
* can act as a ballast.
* comes and goes and is characterized by downheartedness, sadness, and dejection.
* healthy reaction to many life situationssuch as losses in the short-term.

Minor depression
* can be episodic but tends to be more chronic.
* has the same causes and treatment as major depression.
* occurs in episodes with fewer symptoms and less impairment than major depression
  - later in life and is often linked with medical illness

Psychotic depression
* can be episodic or chronic.
* is more prevalent in late life than in midlife.

Reactive depression
* can last for months.
* is characterized as the everyday normal stress and mild sadness of life
  - more common among older people
  - temporary and related to some recent or current loss
* response to loss.

Scleral depression
* fails to collapse the inner retinal layer.
* is necessary to identify the location of a retinal tear or hole.

Serious depression
* can damage or destroy family life as well as the life of the affected person.
* can destroy family life as well as the life of the depressed person
  - as the life of the ill person
  - lead to suicide
* is accompanied by severe loss of hope and energy
  - an important public health problem
  - more likely to occur in women who had a mental illness before pregnancy
* major public health problem.

Small depression
* begin to form in the ice and the more dense saline water flows down.
* filled with flood water provide an excellent breeding ground for bacteria.