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Unrest of the sleep, anxiety, tachycardia, the unrests bound to stress vary according to the individuals. The common point? This sensation of uneasiness that wastes the daily. Attention therefore to stress, to strong dose he is harmful to our physical and psychological balance. Stress can be defined like one pains of the century. Some people stand some to the daily. Doctissimo sums up this "bad stress" that can provoke more serious pathologies. ..The physiological demonstrations Stress is a reaction natural of the organism facing an outside aggression. The body is going to trigger a "reaction of alarm" therefore. Numerous substances and hormones are secreted. It generally provokes an increase of the cardiac rhythm (tachycardia), a hyperventilation and an arterial vasoconstriction. The symptoms of stress vary according to the individuals. In the sternest cases, the person can encourage an ulcer (even though one knows today that it is an infection that is at the origin of the illness). The vessels shrinking, the cloths of the stomach are not irrigated sufficiently and necrotize. The perforations of the gastric partition or hemorrhages can result from it. ..Demonstrated them psychological In the same way to the physical demonstrations, stress also influences on the psychological health. Stress can appear indeed by unrests of the sleep and a depressive state. But attention it is not necessary to confound stress and depression. Contrary to the depression, stress cannot be considered like an illness. A stressed person will be able to be nevertheless irritable and will be able to tend to withdraw into herself. In any case, it is when stress too long lasts that it is necessary to worry themselves of it. 
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