Key result
Higher geomagnetic field activity is linked to decreased resting metabolic rate and oxygen consumption.
Why the study?
The influence of local Earth magnetic field fluctuations on human basal metabolic rate and cellular metabolism was not well characterized.
Does exposure to local Earth magnetic field fluctuations affect basal metabolic rate and oxygen consumption in humans?
Observational (n=395)
No
Does exposure to local Earth magnetic field fluctuations affect basal metabolic rate and oxygen consumption in humans?
Local geomagnetic field activity is negatively correlated with human basal metabolic rate and oxygen consumption.
Answers are grounded in this paper and cite their sources.
Should not yet change practice; leaves open whether geomagnetic fluctuations causally affect metabolic efficiency.
The human body, even at rest, needs energy to perform necessary physiological functions. Strict conditions are required for measuring basal metabolic rate (BMR). Many factors that have a direct impact on BMR including the condition of autonomic nervous. All living systems are affected by external and internal environments. One factor in the external environment is the Earth’s magnetic field, which fluctuates over a wide frequency range. A series of studies indicate that low frequency magnetic fields can affect cellular mitochondrial activity and impacts every cell’s metabolism. Information on gas metabolism during respiration was obtained by indirect calorimetry using a system where the gas flow was continuously analyzed. Time varying local Earth magnetic field data were recorded at a magnetometer site located in Lithuania using 2 induction coil magnetometers. For all magnetic field data, power spectral density PSD was calculated for every hour (fast Fourier transformation) in the band between 0.32 to 36 Hz. Investigations of metabolic rate were performed in Lithuanian during 2016-2020 years. We assessed 395 persons: 116 men and 279 women. Conclusions: 1) Oxygen consumption has significant negative correlation with local geomagnetic field activity; 2) Metabolic rate decreases with increases in local geomagnetic time varying field power; 3) Measured metabolic rate decreases with increase of local geomagnetic field power.
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Taletavičienė et al. (2021) conducted an observational in Healthy adults (spa visitors) (n=395). Local Earth magnetic field activity vs. Lower magnetic field activity was evaluated on Correlation between resting metabolic rate and local geomagnetic field activity (r = -0.2291 for women, r = -0.1487 for men, p=<0.05). Higher local Earth magnetic field activity was significantly associated with decreased resting metabolic rate and oxygen consumption (p<0.05), suggesting increased metabolic efficiency.
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