### deprivation:

Sleep deprivation
* affects the body physically, mentally, and emotionally
  - immune system, so students are more likely to get sick
* appears to be a precipitating factor for seizures in some people with epilepsy.
* can actually change the way the brain functions
  - add up to negative effects
* can also cause people to feel hungry all the time
  - contribute to having auditory hallucinations
* can be dangerous
  - hazardous to health
  - one of the worst possible
  - physically and emotionally agonizing and dangerous
* can cause a loss of memory potential
  - and exacerbate symptoms of depression
  - depression to remit and thus can be used as alternative to drugs
  - general lifestyle disruption, including mental illness
  - irritability, muddled thinking and even illness
  - contribute significantly to high stress levels
  - even be fatal
  - eventually cause confusion and other mental changes
* can lead to fatigue, headaches, confusion and weight gain
  - mood swings, anxiety , even depression
  - lower a person's quality of life and increase the risk for accidents
* causes response patterns to reorganize.
* common occurrence in today's busy society.
* constant and dangerous problem that college students face.
* continues to be widespread in America.
* creates significant changes within one day, but the effects wear off a day later.
* decreases the ability of neutrophils to phagocytize.
* drain on the brain.
* fact of life for new mothers.
* form of physical abuse.
* has many causes
  - moral and spiritual costs as well as physical and social ones
* increases brain serotonin turnover in the Djungarian fhamster
  - Djungarian hamster
* interferes with memory.
* is an unpleasant burden of young hospital doctors during their medical training
  - common in today's busy society
  - illnesses
  - medical conditions
  - often the single biggest problem new parents face
  - one of the biggest byproducts of the bombing of Belgrade
* is one of the major causes of car accidents
  - under-recognized killers in our society
  - most common and powerful techniques for breaking a person down
  - very important cause of motor vehicle accidents
  - prevalent in our culture
  - probably the biggest problem that hinders coping
  - second only to drunkenness as a cause of automobile accidents
  - the most common trigger for night terrors
  - torturing
* leads to memory loss, anxiety and depression.
* leaves people drowsy, foggy-headed and unable to think clearly or concentrate.
* makes for frazzled nerves and unsafe driving.
* national problem of near epidemic proportions.
* problem for all drivers, but especially inexperienced ones.
* seems to affect the old and the young, students and non-students indiscriminately.
* serious matter for teens.
* sleep disorder that affects many teenagers.

Visual deprivation
* affects serotonin levels in the visual system.
* has no effect on azimuth map formation but disrupts the elevational map.
* upregulates extracellular matrix synthesis by chick scleral chondrocytes.

Water deprivation
* involves consuming no fluids for a period of time.
* is more common in winter than summer because of freezing temperatures.
* kills faster than lack of any other nutrient.
* optimizes hippocampal activity and facilitates nictitating membrane conditioning.
* produces an exercise-induced weight loss phenomenon in the rat
  - death faster than any other nutrient