The levels of neurospecific peptides in the systemic circulation and the rate of biological aging of veterans of war in Afghanistan were studied. A significant increase in the level of matrix metalloproteinase-9 reflecting the increased permeability of the blood-brain barrier in the initial manifestations of insufficient blood supply to the brain was found. After a course of general aerocryotherapy the optimization of biological and cardiopulmonary age were marked, which indicates a slowing of the biological aging.
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