Introduction There seems to be a lot of confusion and loose thinking about stress in popular journals and books. How else can you explain terms like ?good stress? and concepts like ?A certain amount of stress is good for you Hjalte Froholdt Rush Jersey ,? or advice like ?Stress is unavoidable.? Once you understand the meaning of stress you'll realize that stress is always harmful, that there is no 'safe? level of stress, and that you can deflect stress if you know how. Let's start by straightening out the definition of stress: stress is not a mental or emotional state, and it's certainly not a moral or metaphysical issue. Stress is a physiological and medical condition, produced by prolonged feelings of insecurity and anxiety.
Physical and Mental Symptoms The Japanese word, ?karoshi? means, approximately Yodny Cajuste Rush Jersey , 'death by stress,? and it's a significant source of mortality among Japanese workers, especially middle-aged white collar men. Stress kills them either directly, by causing their bodies to break down, or indirectly, through depression and suicide. In either case, stress is bad news and it's no exaggeration to say that your life is at stake in a stressful situation. Chronic stress affects your heart and arteries Damien Harris Rush Jersey , your digestive system, your skin and hair, your immune system, and your brain and nervous system, and virtually every other organ in your body.
Stress is also implicated in a variety of mental health disorders, including depression, anxiety Chase Winovich Rush Jersey , burnout, substance abuse, workplace and domestic violence, and suicide. And although stress hasn't been shown to cause personality disorders like schizophrenia, it does complicate them and make them more difficult to treat.
Clearly, chronic stress is a major health problem, and is nothing to take lightly. To put it bluntly Joejuan Williams Rush Jersey , stress can kill you as surely as cancer.
Our Biological Inheritance If stress is so harmful, why in the world are we so susceptible to it? Wouldn't you think that evolution would have eliminated it? In a sense, stress was invented millions of years ago, long before we became human, as an adaptation to living in a dangerous world. To explain this paradox, let's imagine one of our long-ago ancestors on the plains of Africa who suddenly looks up and sees a leopard on the branch over his head. In much less than half a second, without any conscious thought N'Keal Harry Rush Jersey , his brain registers the picture of the leopard and classifies it as a life-threatening danger. Then the brain starts to mobilize the body either to run away or for defense.
Fight or Flight? When the brain perceives the leopard in the tree and decides that it is dangerous, it sends a signal to the adrenal glands, which sit on top of your kidneys. In response, the adrenal glands produce two hormones: first adrenaline and later cortisol. Adrenaline acts very quickly on almost every part of your body. Your heart begins to beat more quickly and strongly, the small blood vessels in your skin contract (that's why you look ?white as a sheet? after you're scared), your stomach stops digesting food, and your vision narrows to a 'tunnel?. All of these changes make you Jarrett Stidham Rush Jersey , for a little while, stronger and quicker than you normally are - ready to run away from the leopard.
As you're running away from the leopard, the adrenal glands start to produce a hormone called cortisol. Cortisol acts to increase the amount of sugar in your blood for quick energy, and if you have to flee for days and days without food, cortisol helps your body convert muscle and bone into energy. The combined effect of adrenaline and cortisol is to give us the energy we need to deal with dangerous situations - and that's why we evolved the fightflight response in the first place.
Where Does the Stress Come In? As long as your body is reacting to a leopard in a tree, everything is fine: you run away and the stress hormones start to disappear after an hour or so. But if you can neither run away from the danger nor fight it, then the levels of stress hormones never go down. The adrenaline keeps on making your heart beat hard Sony Michel Rush Jersey , and the cortisol keeps breaking down muscle and bone to keep your blood sugar high. If this goes on for days at a time, you will start to feel the effects: changes in your sleep and eating patterns, tunnel vision, abnormal tiredness, and a general anxiety and uneasiness. What we commonly call stress is your perception of your body's physical reactions to elevated hormones.
Why Does Work Cause Stress? ?Well,? you might ask, ?That's all very nice about reacting to the leopard in the tree Stephon Gilmore Rush Jersey , but why does my work trigger a stress reaction - I haven't noticed any leopards about.? It seems that the brain is not very sophisticated about recognizing danger: it reacts to an angry boss, or an upcoming deadline, or an office bully in just the way it would react to the leopard: it starts to mobilize the stress hormones to either fight or run away. But in the office you can't do either one - you can't punch people in the nose and you have to come back tomorrow, even if you don't want to. This combination of perceiving danger and not being able to do anything about it triggers job stress, and it won't stop until you can either fight or flee.
More Control Means Less Stress If lack of control makes stress worse, then it follows that being in control counters stress. ?Being in control? means different things to different people. For some workers, it just means getting to decide when they take their breaks Tom Brady Rush Jersey , and to have some flexibility in scheduling. For others, it means getting to decide how to get the job done: what order to machine the parts or how to process the forms most efficiently. But for all workers, getting to make decisions about how and when to do their job reduces the feeling of danger, lowers stress and improves health.
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