It is thought that this refers to space adaptation syndrome experienced by about one third of astronauts during the first few days of a spaceflight.
12.
According to Hans Selye, the body's stress response is designed to heal and involves three phases of his General Adaptation Syndrome : alarm, resistance, and exhaustion.
13.
The most common problem experienced by humans in the initial hours of weightlessness is known as space adaptation syndrome or SAS, commonly referred to as space sickness.
14.
His last inspiration for " general adaptation syndrome " ( GAS, a theory of stress ", which has been accepted into the lexicon of most other languages.
15.
Soviet space program officials suspected disturbance of Titov's vestibular system was to blame, leading them to begin early investigations into what is now known as space adaptation syndrome, or space sickness.
16.
Glenn has said he hasn't suffered space adaptation syndrome, which afflicts about half of space shuttle astronauts with a brief period of nausea during the first day or two of a mission.
17.
Selye conceptualized the physiology of stress as having two components : a set of responses which he called the " general adaptation syndrome ", and the development of a pathological state from ongoing, unrelieved stress.
18.
In a microgravity environment such as that provided by a spacecraft in orbit around the Earth, humans experience a sense of " weightlessness . " Short-term exposure to microgravity causes space adaptation syndrome, a self-limiting nausea caused by derangement of the vestibular system.
19.
Scientific experiments carried onboard " Challenger " included the environmental testing of new hardware and materials designed for future spacecraft, the study of biological materials in electric fields under microgravity, and research into space adaptation syndrome ( also known as " space sickness " ).
20.
When the body executes the " fight-or-flight " reaction or stress response, the nervous system initiates, coordinates and directs specific changes in how the body is functioning ( physiology ), preparing the body to deal with the threat . ( See also General adaptation syndrome .)