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Electric and Magnetic Field of the Heart

Bioeffects Seen

David B. Geselowitz · 1973

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Your heart naturally generates electromagnetic fields, establishing that biological systems both produce and respond to EMF energy.

Plain English Summary

Summary written for general audiences

This 1973 research by David Geselowitz examined the natural electrical and magnetic fields produced by the human heart during normal function. The study focused on understanding how the heart's electrical activity creates measurable electromagnetic fields that can be detected outside the body, forming the scientific foundation for electrocardiogram (ECG) technology.

Why This Matters

This foundational research reveals something remarkable: your heart is actually a natural electromagnetic transmitter, generating both electrical and magnetic fields with every heartbeat. While this 1973 study predates our current EMF health concerns, it establishes a crucial scientific principle that your body naturally produces and responds to electromagnetic energy. The reality is that understanding the heart's bioelectric fields helps us grasp why external EMF sources might interfere with normal physiological processes. When you consider that artificial EMF exposures from cell phones, WiFi, and power lines can be thousands of times stronger than your heart's natural fields, the potential for biological disruption becomes clearer. This research laid the groundwork for recognizing that electromagnetic fields and living systems are fundamentally interconnected.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
David B. Geselowitz (1973). Electric and Magnetic Field of the Heart.
Show BibTeX
@article{electric_and_magnetic_field_of_the_heart_g7381,
  author = {David B. Geselowitz},
  title = {Electric and Magnetic Field of the Heart},
  year = {1973},
  
  
}

Quick Questions About This Study

The human heart generates both electrical and magnetic fields during each heartbeat as part of normal cardiac function. These bioelectric fields are what ECG machines detect to monitor heart rhythm and health.
The heart's natural electromagnetic fields are extremely weak compared to artificial sources. Cell phones, WiFi routers, and power lines can produce fields thousands of times stronger than your heart's natural bioelectric activity.
Since the heart naturally uses electromagnetic signals for function, external EMF sources could potentially interfere with these delicate bioelectric processes, affecting heart rhythm and cardiovascular health in sensitive individuals.
Research suggests that strong external electromagnetic fields could potentially disrupt the heart's natural bioelectric signals, though the clinical significance of typical everyday exposures remains under scientific investigation.
Geselowitz's work provided the mathematical foundation for understanding how biological tissues generate electromagnetic fields, establishing that living systems are inherently electromagnetic in nature and potentially sensitive to external EMF.