Abstract
A coupling between geomagnetic activity and the human nervous system’s function was identified by virtue of continuous monitoring of heart rate variability (HRV) and the time-varying geomagnetic field over a 31-day period in a group of 10 individuals who went about their normal day-to-day lives. A time series correlation analysis identified a response of the group’s autonomic nervous systems to various dynamic changes in the solar, cosmic ray, and ambient magnetic field. Correlation coefficients and p values were calculated between the HRV variables and environmental measures during three distinct time periods of environmental activity. There were significant correlations between the group’s HRV and solar wind speed, Kp, Ap, solar radio flux, cosmic ray counts, Schumann resonance power, and the total variations in the magnetic field. In addition, the time series data were time synchronized and normalized, after which all circadian rhythms were removed. It was found that the participants’ HRV rhythms synchronized across the 31-day period at a period of approximately 2.5 days, even though all participants were in separate locations. Overall, this suggests that daily autonomic nervous system activity not only responds to changes in solar and geomagnetic activity, but is synchronized with the time-varying magnetic fields associated with geomagnetic field-line resonances and Schumann resonances.
Highlights
All biological systems on Earth are exposed to an external and internal environment of fluctuating invisible magnetic fields of a wide range of frequencies [1]
The results showed that no one participant had a large effect on the resulting averages for any of the heart rate variability (HRV) measures (Table 1)
This study suggests that daily autonomic nervous system activity responds to changes in solar and geomagnetic activity, and can synchronize with the time-varying magnetic fields associated with geomagnetic field-line resonances and Schumann resonances
Summary
All biological systems on Earth are exposed to an external and internal environment of fluctuating invisible magnetic fields of a wide range of frequencies [1]. These fields can affect virtually every cell and circuit to a greater or lesser degree. Human regulatory systems are designed to adapt to daily and seasonal climatic and geomagnetic variations; sharp changes in solar and geomagnetic activity and geomagnetic storms can stress these regulatory systems, resulting in alterations in melatonin/serotonin balance [7,8,9], blood pressure, immune system, reproductive, cardiac, and neurological processes [10,11,12,13]. Public Health 2017, 14, 770; doi:10.3390/ijerph14070770 www.mdpi.com/journal/ijerph
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