The Russians can be a bit far out in the fields of science, but who are we to dispute their conclusions...

This abstract hints at the widespread adverse reactions that could result from geomagnetic storms:

The scientists at Russian People Friendship University and the Institute of Space Research, Russian Academy of Sciences, decided to see what happens in the cardiac system at geomagnetic storms. The scientists found out that the geomagnetic field storm influences the structure of the cardiac muscle cells fatally.