1. A method comprising conducting non-invasive electrical nerve stimulation on a subject to reduce ischemic and / or reperfusion injury in a subject associated with an ischemic event, wherein non-invasive electrical nerve stimulation is repeated on the subject after an ischemic event. The method of claim 1, wherein the subject experiences myocardial infarction. The method according to claim 2, in which non-invasive electrical stimulation of the nerves is also carried out during myocardial infarction. The method according to claim 2, wherein e non-invasive electrical nerve stimulation is performed during myocardial infarction and then every day, every two days or every three days after myocardial infarction. The method according to claim 2, 3 or 4, in which non-invasive electrical stimulation of the nerves is continued for 1 month after myocardial infarction. The method of claim 1, wherein the subject is undergoing a stroke. The method of claim 6, wherein the non-invasive electrical stimulation of the nerves is also carried out during the stroke. The method according to claim 6, in which non-invasive electrical stimulation of the nerves is carried out during the impact and then every day, every two days or every three days after the impact. The method according to claims 6, 7 or 8, wherein the non-invasive electrical stimulation of the nerves is continued for 1 month after the impact. The method of claim 1, wherein the subject undergoes surgery. The method of claim 10, wherein the non-invasive electrical nerve stimulation is also performed during surgery. The method of claim 10, wherein the non-invasive electrical stimulation of the nerves is performed during surgery, and then every day, every two days, or every three days after the surgical1. Способ, включающий проведение неинвазивной электрической стимуляции нервов на субъекте для снижения ишемического и/или реперфузионного повреждения у субъекта, связанного с ишемическим событием, при этом неинвазивную электрическ