### status:

Socioeconomic status
* descriptive term that relates to an individual's education and wealth.
* has a major impact on health.
* includes variables such as education, income and occupation.
* influences our urban experience.
* is almost the prime determinant for how folks are treated
  - an example of a place variable
* is an important influence on obesity, particularly among women
  - predictor of health that deserves particular focus
  - another variable that has been shown to correlate with locus of control
  - defined by educational attainment , occupation , and income
  - involved in the development of cancers
  - linked to health at every level of class
  - measured as an index that combines household living standard with education
  - weakly related to parental involvement
* key determinant of oral health.
* major predictor of student scores across all ethnic categories.
* ranges from struggling to make ends meet to easy affluence.
* remains a major predictor of student scores across all ethnic categories.

Steady state
* are then periodic attractors, separated by unstable limit cycles.
* can occur in an open system.
* occurs when concentration of a medication in the blood stream have reached a plateau.

### steam bath:

Sauna
* Some saunas are only for men , or only for women.
* also raise blood circulation rates as well as breathing, and the pulse rate also increases
  - stimulate cells to release toxins which can then be eliminated by the liver and bowel
* are located in motels
  - popular because they help the excess fat in the body to melt away
  - rooms
  - steam baths
  - to be enjoyed in a state of nakedness
* promote the body s natural cleansing through perspiration to maintain clear, healthy skin.
+ Sauna, Common rules for public saunas: Health :: Finnish culture
  * In some cultures, swimsuits must be worn in a sauna. In other cultures swimsuits are not be worn. Swimsuits are more often worn when men and women use a sauna together. Some saunas are only for men, or only for women. Some places have fixed times when each gender can use a sauna. Private saunas may have their own rules.

### stellar loci:

Green line
* are stellar loci.
* are the diagonals of squares, making it possible to construct many more zome shapes
  - only method a biot can extract energy from the environment
* represent the boundaries between the two hemispheres.

### steroid:

Bile acid
* Most bile acid has actions
  - effects
* Some bile acid contains cholesterol
  - is synthesized from cholesterol
* are also critical for transport and absorption of the fat-soluble vitamins
  - derivatives of cholesterol synthesized in the hepatocyte
  - important in the breakdown of fats in digestion
* assist in digestion and absorption of fats.
* emulsify the fat and lipid materials present in food, thus facilitating absorption.
* entering the colon can directly cause a secretory diarrhea.
* induce water secretion by the colon as they enter that organ, thus promoting catharsis.
* undergo enterohepatic circulation.
* work in the body to get rid of excess cholesterol.

### steroid | bile acid:

Cholic acid
* are a part of bile acids that are released into the intestines.
* is bile acid

Cardiac glycoside
* are drugs used for treating heart disease in humans and animals
  - steroids
* can sensitize the myocardium to the actions of epinephrine.
* interfere with heart function.
* make most birds and mammals sick.