### condition | dryness | drought:

Agricultural drought
* are droughts that affect crop production or the ecology of the range.
* happens after meteorological drought but before hydrological drought.
* refers to factors related to irrigation and soil moisture.

Devastate drought
* Most devastate drought increases wind erosion.
* affects areas.
* increases erosion

Occasional drought
* can reduce the levels of water supplies necessitating rationing by lock-off.
* normal, recurrent feature of virtually every climate in the United States.

Prolong drought
* Most prolong drought affects crops.
* cans have impact
  - serious impact

Prolonged drought
* can also adversely affect insect numbers.
* causes leaves to drop, but recovers with new water.

Severe drought
* Some severe drought causes crops.
* affects regions.
* can cause millions of dollars in losses to farmers
  - kill jack pine seedlings
  - render areas too low in food or water for occupation
* coupled with high winds and low humidity make for large fires.
* exists in much of the Midwest.
* is probably the most common cause of prussic acid poisoning.
* kill crops, shrink lakes, and dry topsoil until it is carried away by the wind.

### condition | dryness:

Dry mouth
* allows fungus and bacteria to grow.
* can affect oral health by adding to tooth decay and infection.
* can also make it difficult to eat, speak, or swallow
  - hard to wear dentures
* can cause increased plaque buildup, which increases the risk for periodontal disease
  - soreness, ulcers, infections, and tooth decay
  - make swallowing food difficult
  - result in rampant tooth decay, mouth lesions and pain, and serious digestive problems
  - sometimes lead to other problems, such as salivary gland infections
* caused by Sjogrens can also cause tooth decay.
* is another problem faced by many older adults
  - caused by medications
  - dryness
  - natural during sleep
* is the last outward sign of extreme dehydration
  - most frequent side effect of tolterodine therapy
  - very LAST sign of dehydration
* occurs in a small number of patients
  - when the flow of saliva decreases
* particular problem with long term use of heterocyclics.
* puts people at high risk for cavity formation and yeast infection.
* symptom that appears to be unrelated to hydration state.

Ocular dryness
* can lead to chronic keratoconjunctivitis and corneal ulcers.
* responds to the use of artificial tears applied every one to three hours.

Vaginal dryness
* can also cause painful sex
  - have a variety of causes
  - play a role in the cause of decreased libido
* is accompanied by itching
  - also common during and after menopause
  - probably a result of the swelling mentioned above
* major symptom in many women.
* normal phenomenon associated with menopause.
* very common complaint of women, especially as they approach menopause.

Ecological condition
* Most ecological conditions affect survival.
* Some ecological conditions promote newborn survival

Ecological niche
* Live in cold, wet climate.
* Some ecological niches become predation.

Economic condition
* Most economic conditions change over time.
* appear to be related to the rate of violent crime.
* are conditions
  - one of the important factors determining the human rights situation
  - responsible for poor health in children
* support the cultural values of which influence family size.

### condition | economic condition:

Full employment
* exists when only frictional and structural unemployment exist.
* is an economic condition
  - described as the absence of involuntary unemployment
  - key to alleviate poverty and to strengthening social order
* is the level of frictional and structural unemployment
  - working person's best friend
* means that they are all getting an income and are thus able to pay taxes.
* natural consequence of an economy successfully seeking profit.
* provides workers with significant power over their wages and conditions of work.