### diseases | sleep disorder | insomnia:

Chronic insomnia
* can also be a learned pattern.
* can also lead to mood disorders like depression
  - other, more serious health problems
* can be a sign of more serious physical and mental conditions
  - symptom of depression, anxiety, dementia, or panic disorder
  - last months or years
  - sometimes be a symptom of a more serious sleep or mental health disorder
* difficult problem to treat.
* is complex disorder with many possible causes
  - having symptoms at least three nights per week for more than a month
  - just that, a disease
  - usually due to chronic medical or psychiatric illness or the use of medications
  - when a person has trouble falling asleep or staying asleep night after night
* lasts longer than three months and often needs to be treated
  - more than three weeks
* occurs on most nights for at least three weeks.
* refers to sleep difficulty at least three nights per week for one month or more.
* widespread and difficult disorder to manage.

Conditioned insomnia
* can be the result of multiple causes.
* is the most common cause of chronic insomnia.

Transient insomnia
* is usually due to a new life stressor or a change in our daily routine
  - very common - usually lasting several days
* lasts between one night and a few weeks.
* lasts only a night or two typically triggered by excitement or stress
  - two, or, at most, a week

Suicidal ideation
* are diseases.
* is also common in schizophrenia
  - often a serious complication of depression
* refers to thoughts of suicide or wanting to take one's own life.

Synesthesia
* conjoins diverse sensory channels.
* is diseases
  - sensation

Turner syndrome
* chromosomal condition causing short stature and infertility in women and girls
  - that exclusively affects girls and women
* genetic disorder that results from an abnormality of a chromosome.
* is rare
  - seen only in females
* rare disease that only affects females.

Ventricular tachycardia
* can be transient or it can be life threatening
  - lead to palpitations, loss of consciousness or death
  - occur spontaneously
* can result when a rapid rhythm begins in the ventricles
  - originates in the ventricles
* rapid heartbeat arising in the ventricles.
* resembles a sustained run of premature ventricular complexes.
* specific kind of tachyarrhythmia.

### disfiguring procedure:

Mastectomy
* disfiguring procedure.
* general term for removal of the breast.
* involves emotional loss as well as physical loss.
* is ablation
  - as effective as breast conserving treatment that includes radiation therapy
  - indicated if there are multiple tumors
  - painful
  - surgical removals
* is the removal of the entire breast, done in most cases for breast cancer
  - surgical removal of all or part of a woman s breast
* removes all or part of the breast and possibly nearby structures
  - much of the breast tissue
* traumatic procedure usually requiring post-surgery medical care.

### disfiguring procedure | mastectomy:

Prophylactic mastectomy
* Prophylactic mastectomies protect against breast cancer in high risk women.
* controversial procedure among members of the medical community.
* cuts cancer risk.

Simple mastectomy
* is mastectomy
  - the removal of the breast only
* relatively short surgery with a short hospital stay and a speedy recovery.
* term once used to describe what is now called total mastectomy.