Medical and biological effects of natural electromagnetic variations

Emergency ambulance statistical data accumulated in Moscow during March 198 3 - October 1984 have been analyzed. Diurnal numbers of urgent hospitalizat ion of patients in connection with suicides, mental disorders, myocardial i nfarction, defeats of cerebrum vessels and arterial and venous diseases hav e been examined. Intensity and duration of planetary geomagnetic storms wer e used as magnetic activity indices. Comparison of geomagnetic and medical data rows has shown that at least 75% of magnetic storms caused increase in hospitalization of patients with the above - mentioned diseases on 30-80% at average. The dependence of the value of biotropic effect on the duration of effect and intensity of magnetic storm is observed.