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What is Stress?
Stress
is an elevation in a person's state of arousal or readiness, caused by some
stimulus or demand. As stress arousal increases, health and performance actually
improve. Within manageable levels, stress can help sharpen our attention
and mobilize our bodies to cope with threatening situations.
At some point, stress arousal reaches maximum effect.
Once it does, all that was gained by stress arousal is then lost and
deterioration of health and performance begins.
Whether a stressor is a slight change in posture or a life threatening
assault, the brain determines when the body's inner equilibrium is disturbed;
the brain initiates the actions that restore the balance. The brain decides what
is threatening and what is not. When we face challenging situations, the brain
does a quick search. Have we been here before? If so, how did we feel? What was
the outcome? Can we cope with the situation now? If there's doubt as to any of
these questions, the stress response goes into high gear.
First
the brain sounds an alert to the adrenal glands. The adrenals answer by pouring
out the first of the major stress hormones, adrenaline, for the classic fight-or-flight
response. The fight-or-flight
response evolved with the prime primitive directive of ensuring our safety and
survival. The pulse begins to race as the adrenaline steps up the heart rate,
sending extra blood to the muscles and organs. Oxygen rushes in as the bronchial
tubes in the lungs dilate; extra oxygen
also reaches the brain, which helps keep us alert.
During this stage of the fight-or-flight response, the brain releases
natural painkillers called endorphins. This phase, in which adrenaline plays a
leading role, is the immediate response to stress.
The
following provides workers and managers with a list of common stress reactions.
Most people are resilient and experience mild or transient psychological
disturbances from which they readily bounce back. The stress response becomes
problematic when it does not or cannot turn off;
that is, when symptoms last too long or interfere with daily life.
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Common
Stress Reactions
Behavioral
![bullet](_themes/loosegst/loobul1d.gif) | Increase
or decrease in activity level
|
![bullet](_themes/loosegst/loobul1d.gif) | Substance
use or abuse (alcohol or drugs)
|
![bullet](_themes/loosegst/loobul1d.gif) | Difficulty
communicating or listening
|
![bullet](_themes/loosegst/loobul1d.gif) | Irritability,
outbursts of anger, frequent arguments
|
![bullet](_themes/loosegst/loobul1d.gif) | Inability
to rest or relax
|
![bullet](_themes/loosegst/loobul1d.gif) | Decline
in job performance; absenteeism
|
![bullet](_themes/loosegst/loobul1d.gif) | Frequent
crying
|
![bullet](_themes/loosegst/loobul1d.gif) | Hyper-vigilance
or excessive worry
|
![bullet](_themes/loosegst/loobul1d.gif) | Avoidance
of activities or places that trigger memories
|
![bullet](_themes/loosegst/loobul1d.gif) | Becoming
accident prone
|