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What is Stress

The word `stress` is defined by the Oxford Dictionary as “a state of affair involving demand on physical or mental energy”. A condition or circumstance (not always adverse), which can disturb the normal physiological and psychological functioning of an individual. In medical parlance `stress` is defined as a perturbation of the body`s homeostasis. This demand on mind-body occurs when it tries to cope with incessant changes in life. A `stress` condition seems `relative` in nature. Extreme stress conditions, psychologists say, are detrimental to human health but in moderation stress is normal and, in many cases, proves useful. Stress, nonetheless, is synonymous with negative conditions. Today, with the rapid diversification of human activity, we come face to face with numerous causes of stress and the symptoms of anxiety and depression.
“Nothing gives one person so much advantage over another as to remain always cool and unruffled under all circumstances.” —Thomas Jefferson

The Dynamics of Stress

In a challenging situation the brain prepares the body for defensive action—the fight or flight response by releasing stress hormones, namely, cortisone and adrenaline. These hormones raise the blood pressure and the body prepares to react to the situation. With a concrete defensive action (fight response) the stress hormones in the blood get used up, entailing reduced stress effects and symptoms of anxiety.
When we fail to counter a stress situation (flight response) the hormones and chemicals remain unreleased in the blood stream for a long period of time. It results in stress related physical symptoms such as tense muscles, unfocused anxiety, dizziness and rapid heartbeats. We all encounter various stressors (causes of stress) in everyday life, which can accumulate, if not released. Subsequently, it compels the mind and body to be in an almost constant alarm-state in preparation to fight or flee. This state of accumulated stress can increase the risk of both acute and chronic psychosomatic illnesses and weaken the immune system.
Stress can cause headaches, irritable bowel syndrome, eating disorder, allergies, insomnia, backaches, frequent cold and fatigue to diseases such as hypertension, asthma, diabetes, heart ailments and even cancer. In fact, Sanjay Chugh, a leading Indian psychologist, says that 70 per cent to 90 per cent of adults visit primary care physicians for stress-related problems. Scary enough. But where do we err?
Just about everybody—men, women, children and even fetuses—suffer from stress. Relationship demands, chronic health problems, pressure at workplaces, traffic snarls, meeting deadlines, growing-up tensions or a sudden bearish trend in the bourse can trigger stress conditions. People react to it in their own ways. In some people, stress-induced adverse feelings and anxieties tend to persist and intensify. Learning to understand and manage stress can prevent the counter effects of stress.
Methods of coping with stress are aplenty. The most significant or sensible way out is a change in lifestyle. Relaxation techniques such as meditation, physical exercises, listening to soothing music, deep breathing, various natural and alternative methods, personal growth techniques, visualization and massage are some of the most effective of the known non-invasive stress busters.

Stress Can Be Positive

The words `positive` and `stress` may not often go together. But, there are innumerable instances of athletes rising to the challenge of stress and achieving the unachievable, scientists stressing themselves out over a point to bring into light the most unthinkable secrets of the phenomenal world, and likewise a painter, a composer or a writer producing the best paintings, the most lilting of tunes or the most appealing piece of writing by pushing themselves to the limit. Psychologists second the opinion that some `stress` situations can actually boost our inner potential and can be creatively helpful. Sudha Chandran, an Indian danseus, lost both of her legs in an accident. But, the physical and social inadequacies gave her more impetus to carry on with her dance performances with the help of prosthetic legs rather than deter her spirits.
Experts tell us that stress, in moderate doses, are necessary in our life. Stress responses are one of our body`s best defense systems against outer and inner dangers. In a risky situation (in case of accidents or a sudden attack on life et al), body releases stress hormones that instantly make us more alert and our senses become more focused. The body is also prepared to act with increased strength and speed in a pressure situation. It is supposed to keep us sharp and ready for action.
Research suggests that stress can actually increase our performance. Instead of wilting under stress, one can use it as an impetus to achieve success. Stress can stimulate one`s faculties to delve deep into and discover one`s true potential. Under stress the brain is emotionally and biochemically stimulated to sharpen its performance.
A working class mother in down town California, Erin Brokovich, accomplished an extraordinary feat in the 1990s when she took up a challenge against the giant industrial house Pacific Gas & Electric. The unit was polluting the drinking water of the area with chromium effluents. Once into it, Brockovich had to work under tremendous stress taking on the bigwigs of the society. By her own account, she had to study as many as 120 research articles to find if chromium 6 was carcinogenic. Going from door to door, Erin signed up over 600 plaintiffs, and with attorney Ed Masry went on to receive the largest court settlement, for the town people, ever paid in a direct action lawsuit in the U.S. history—$333 million. It`s an example of an ordinary individual triumphing over insurmountable odds under pressure. If handled positively stress can induce people to discover their inherent talents.
Stress is, perhaps, necessary to occasionally clear cobwebs from our thinking. If approached positively, stress can help us evolve as a person by letting go of unwanted thoughts and principle in our life. Very often, at various crossroads of life, stress may remind you of the transitory nature of your experiences, and may prod you to look for the true happiness of life.

Stress Throughout Evolution

Stress has existed throughout the evolution. About 4 billion years ago, violent collision of rock and ice along with dust and gas, led to the formation of a new planet. The planet survive more than 100 million years of meltdown to give birth to microscopic life . These first organisms endured the harshest of conditions—lack of oxygen, exposure to sun`s UV rays and other inhospitable elements, to hang on to their dear life. Roughly 300,000 years ago, the Neanderthals learnt to use fire in a controlled way, to survive the Glacial Age. And around 30,000 years, Homo sapiens with their dominant gene constitutions and better coping skills, won the game of survival. Each step of evolution a test of survival, and survival, a matter of coping with the stress of changing conditions.
Millions of trials and errors in the life process have brought men to this stage. Coping with events to survive has led men to invent extraordinary technologies, beginning with a piece of sharpened stone.
From the viewpoint of microevolution, stress induction of transpositions is a powerful factor, generating new genetic variations in populations under stressful environmental conditions. Passing through a `bottleneck`, a population can rapidly and significantly alters its population norm and become the founder of new, evolved forms.
Gene transposition through Transposable Elements (TE)—`jumping genes`, is a major source of genetic change, including the creation of novel genes, the alteration of gene expression in development, and the genesis of major genomic rearrangements. In a research on `the significance of responses of the genome to challenges,` the Nobel Prize winning scientist Barbara McClintock, characterized these genetic phenomena as `genomic shock`. This occurs due to recombination of events between TE insertions (high and low insertion polymorphism) and host genome. But, as a rule TEs remain immobilized until some stress factor (temperature, irradiation, DNA damage, the introduction of foreign chromatin, viruses, etc.) activates their elements.

The moral remains that we can work a stress condition to our advantage or protect ourselves from its untoward follow-throughs subject to how we handle a stress situation. The choice is between becoming a slave to the stressful situations of life or using them to our advantage.

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