Does exposure to an artificial ULF magnetic field affect blood pressure, heart rate variability and mood?

No significant differences were found between physiological and psychological responses to real and sham magnetic field exposure.

• Circadian rhythms were observed for heart rate, systolic and diastolic blood pressure, salivary flow rate, positive affect, vigor, and subjective alertness during sham exposure.
• One participant exhibited distinct changes in heart rate and heart rate variability during early night exposure to the real magnetic field.
• The study involved three healthy volunteers monitored over 12 weekends in a controlled environment, with alternating exposure to either a real or sham magnetic field.
• Statistical analysis showed no significant differences in daily means for any physiological or psychological variables between real and sham exposure.

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