### chronic condition:

Peptic ulcer
* Most peptic ulcers occur in the lining of the stomach or duodenum.
* are very common in the west.
* can cause massive bleeding, which requires blood transfusion or surgery
  - develop into emergency situations
* cause black or tarry stools.
* is diseases
* look like mouth ulcers.
* occur in the stomach or duodenum.
* require the presence of acid-pepsin.

### chronic condition | peptic ulcer:

Duodenal ulcer
* are peptic ulcers in the duodenum
  - occurring in the top part of the small intestine
  - the most common type
  - three times more common than gastric ulcers
  - virtually all benign
* come and go, but the duodenal ulcer disease persist.
* heal by reepithelization from periphery
  - more slowly and recur more frequently in smokers than non-smokers
* is peptic ulceration
  - stomach ulcer
* occur more frequently in men than in women.
* occurs more frequently in men.
* respond well to treatment but they can recur.
+ Peptic ulcer: Diseases and disorders of the digestive system

### chronic conditions:

Dementia
* Some dementias are reversible
  - do have cures
  - respond to certain medications better than others.
  * Very often, short-time memory, mind, speech and motor skills are affected. Certain forms of dementia cause a change in the personality of the sufferer. A person suffering from dementia will lose certain skills and knowledge they already had. This is the main difference to other conditions affecting the mind. People who suffer from learning problems, or lower intelligence will never acquire certain skills, people suffering from dementia will lose skills they have acquired. Dementia is more common in older people. Certain forms of dementia can be treated, to some extent. The most common form of dementia is Alzheimer's disease, which accounts for between 50 and 60 percent of all cases
* affects daily activities and social relationships
  - different people in different ways
* affects people differently, depending on the area of the brain affected
* alters our perceptions of space.
* becomes common in the advanced stages of the disease
  - more common with age
* causes different symptoms and signs than delirium b
  - many problems for the person who has it and for that person's family
  - people to lose memory and daily physical functions
* constitutes a growing public health crisis.
* denotes a chronic impairment in memory and cognitive abilities.
* interferes with daily activities and social relationships.
* involves chronic or persistent disorder of the mental processes
  - damage of nerve cells in the brain, which can occur in several areas of the brain
* is chronic conditions
  - insanity
  - neurological diseases
* primarily affects older people.
* refers to a loss of thinking abilities, especially memory.
* results from distortion of the periventricular limbic system.
* tends to be a slow progressive illness, different than an acute event.

### chronic conditions | dementia:

Cause of dementia
* Some causes of dementia are reversible.
* is probably due to the thyroid's affect on cerebral metabolism.

Senile dementia
* generic term used to describe loss of intellectual function in the elderly.
* is actually a group of several different diseases
  - simply dementia in the aging adult
  - the result of old age and of acquired brain disease
* occurs when a person's mental state deteriorates as they age.
* pressing medical and social problem for modern societies.

Vascular dementia
* Most vascular dementia is related to stroke.
* is caused by a series of small arterial blood vessel strokes
  - small arterial blood-vessel strokes
  - characterized by memory loss and other declines in mental function
  - the second leading cause of dementia among the elderly
* tends to progress in a stepwise fashion but can be static.