Solar Storms (CME's, Flares) & Schumann Resonance
"All biological systems on Earth are exposed to an external and internal environment of fluctuating invisible magnetic fields of a wide range of frequencies. These fields can affect virtually every cell and circuit to a greater or lesser degree." – Synchronization of Human Autonomic Nervous System Rhythms with Geomagnetic Activity in Human Subjects, a newly published study in the International Journal of Environmental Research and Public Health.