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Prevention of stress-induced cardio- and cerebrovascular disturbances by low-power laser irradiation

The influence of preliminary transcutaneous He-Ne laser irradiation (lambda - 632.8 nm, power density - 5 mW/cm2) on the development of cerebro- and cardiovascular disturbances was studied in experiments on white male rats in conditions of combined pathological stress (rigid immobilization plus sound stimulus for 2 hours). Ischemic and hemorrhagic damages of the heart and brain were shown to decrease after laser exposure, it being revealed at the pathomorphologic investigation.