Microwave Radiation and Human Tolerance: A Review
Jerome B. Westin, M.D. · 1968
Early 1968 research established human microwave tolerance levels, providing foundational knowledge still relevant to today's WiFi and cellular exposures.
Plain English Summary
This 1968 medical research by Dr. Jerome Westin examined how much microwave radiation humans can tolerate, studying both thermal (heating) and non-thermal biological effects. The study helped establish early understanding of microwave radiation's impact on human health during the early development of microwave technology.
Why This Matters
This research represents a crucial early investigation into microwave radiation's effects on human health, conducted at a time when microwave technology was rapidly expanding beyond military applications into civilian use. Dr. Westin's work on human tolerance levels helped establish foundational knowledge about both the obvious heating effects and the subtler non-thermal biological impacts of microwave exposure. What makes this study particularly significant is its timing - 1968 marked the beginning of widespread microwave oven adoption and early cellular communication development. The reality is that today's microwave exposures from WiFi, cell phones, and smart devices operate at similar frequencies to those studied in this early research, yet our daily exposure levels have increased exponentially. The science demonstrates that understanding human tolerance thresholds remains as relevant today as it was over 50 years ago, especially as we continue to surround ourselves with microwave-emitting devices without fully grasping the long-term implications of chronic, low-level exposure.
Figures from the Original Paper
Diagram extracted from the original research document.
Exposure Information
Specific exposure levels were not quantified in this study.
Study Details
To examine the biological effects of microwave radiation and evaluate the adequacy of current safety standards for human exposure
Review of existing literature and research on microwave radiation effects on human physiology, inclu...
Simple thermal effects of MWR are well understood, involving heat production when absorbed by tissue...
The present 10 mw/cm² limit is inadequate for modern high-powered radar systems. The complex interaction of variables including frequency, power, exposure duration, tissue properties, and exposure patterns makes it difficult to establish universal safety standards. The need for systematic investigation into MWR hazards with full recognition of associated variables is emphasized. Until additional data become available, the present criteria must be maintained, though it is recognized that the current limit may be exceeded in aircraft cockpits and that shielding effectiveness varies greatly.
Show BibTeX
@article{microwave_radiation_and_human_tolerance_a_review_g5597,
author = {Jerome B. Westin and M.D.},
title = {Microwave Radiation and Human Tolerance: A Review},
year = {1968},
}