Therefore That Circumstance That , Provided An Organism

Therefore that circumstance that , provided an organism with energy at the expense of destruction , leads in the course of stress to immunity decrease, weakens danger of immunization against own fabrics. (Accordingly in modern medicine owing to the ability to suppress immunity has found wide application at treatment of allergic conditions, for example a bronchial asthma). and a regulator of its production a hormone - , and also possess ability to brake activity of "the sexual centre" . It is biologically expedient: while struggle is not finished, its results are unknown, and the wounded animal should not bring posterity. (So, at women long negative emotions quite often lead to the termination a cycle, and at men the sexual potentiality decreases.) Stress, eliminating all superfluous, suppresses also appetite. The Hypotalamichesky centre of appetite is braked during emotional excitation, as well as activity of digestive system. It is expedient for the sake of struggle. (One of such displays familiar to all - drying mucous in a mouth and in a throat at excitement.