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Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

Whole Body / General

BIOLOGICAL MEASUREMENTS IN RODENTS EXPOSED CONTINUOUSLY THROUGHOUT THEIR ADULT LIFE TO PULSED ELECTROMAGNETIC RADIATION

No Effects Found

S. J. BAUM, M. E. EKSTROM, W. D. SKIDMORE, D. E. WYANT, J. L. ATKINSON · 1976

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Rodents showed no health effects from 94 weeks of extremely intense electromagnetic pulse exposure at 100,000x typical phone levels.

Plain English Summary

Summary written for general audiences

Researchers exposed rodents to intense electromagnetic pulse (EMP) radiation for 94 weeks, delivering 250 million pulses at extremely high field strength (447 kV/m). Despite this massive exposure, scientists found no biological effects on blood chemistry, chromosomes, fertility, or tumor development. This 1976 study suggests rodents can tolerate very high levels of pulsed electromagnetic radiation without measurable harm.

Cite This Study
S. J. BAUM, M. E. EKSTROM, W. D. SKIDMORE, D. E. WYANT, J. L. ATKINSON (1976). BIOLOGICAL MEASUREMENTS IN RODENTS EXPOSED CONTINUOUSLY THROUGHOUT THEIR ADULT LIFE TO PULSED ELECTROMAGNETIC RADIATION.
Show BibTeX
@article{biological_measurements_in_rodents_exposed_continuously_throughout_their_adult_l_g4583,
  author = {S. J. BAUM and M. E. EKSTROM and W. D. SKIDMORE and D. E. WYANT and J. L. ATKINSON},
  title = {BIOLOGICAL MEASUREMENTS IN RODENTS EXPOSED CONTINUOUSLY THROUGHOUT THEIR ADULT LIFE TO PULSED ELECTROMAGNETIC RADIATION},
  year = {1976},
  
  
}

Quick Questions About This Study

The electromagnetic pulse simulator generated 447 kV/m field strength, approximately 100,000 times more intense than typical cell phone radiation exposure levels near the human head during calls.
The rodents received 250 million electromagnetic pulses over 94 weeks, with the simulator delivering 5 pulses per second continuously throughout their adult lifespan.
Scientists monitored blood chemistry, cellular concentrations, chromosomal aberrations, red blood cell production, fertility, reproductive capability, tumor development, and other late-life health effects throughout the study.
No biological effects were detected at any point during the study. Researchers found no changes in blood parameters, chromosomes, fertility, or cancer rates compared to unexposed control animals.
This study used extremely high-intensity pulsed radiation (5-nanosecond rise time, 550-nanosecond fall time) delivered continuously for nearly the entire adult lifespan of the test animals, creating unprecedented exposure conditions.