It is allowable for research subjects to be exposed to a certain amount of risk and/or discomfort. These risks are minimized to the best of a researchers ability.
Research shows that everyone that is exposed to trauma will develop psychological health problem.
Research still in progress....
Aversion therapy is a form of psychological treatment in which the patient is exposed to a stimulus while being subjected to some form of discomfort.
The group is called the test group or test subjects.
Metal implants can hurt when exposed to cold temperatures because metal contracts in response to cold, causing the implant to shrink slightly. This can put pressure on the surrounding tissues and nerves, leading to discomfort or pain.
Experiments typically involve:1) Experimental group: the group of subjects exposed to the variable being tested.2) Control group: should be as identical as possible to the experimental group, but is deliberately not exposed to the experimental variable - this provides a baseline measure from which the effect of the variable can be determined.
"Malo sole" is Latin for "badly under the sun." It can be interpreted as a state of being miserably exposed to the sun or experiencing intense discomfort due to sun exposure.
The chemical you are referring to is likely acetaldehyde. At concentrations around 175 ppm, acetaldehyde can cause eye tearing, skin irritation, mucous membrane irritation, and general discomfort. It is a colorless liquid with a strong pungent odor commonly found in cigarette smoke and vehicle emissions.
When cuts come into contact with certain substances or are exposed to air, they may burn because the nerve endings in the skin are irritated, causing a sensation of heat or discomfort. This can be due to the body's inflammatory response to the injury, which can make the area feel sensitive or painful.
We all appreciate art, but not everyone wants to be an artist. Same goes for languages, science, and the rest of the subjects listed. Without being exposed to those subjects, it is impossible to know what appeals to you. Be glad these subjects are offered. It would be a boring world without the existence of buildings (math and physics), paintings( art class) and varieties of food to eat (science).
Sand storms can cause skin irritation and damage if exposed for prolonged periods, leading to discomfort and potential abrasions. However, it is unlikely that a sand storm alone would be able to tear off skin. It is important to seek shelter and cover exposed skin during a sand storm to prevent any potential harm.
a pair of contact lenses sold for $200, an exceedingly high price to pay for many consumers, and the discomfort caused by wearing the hard, hydrophobic lenses, which initially covered most of the exposed eyeball