NASA 4-year collaborative study on the efficacy of electromagnetic fields to stimulate growth and repair in mammalian tissues.
CHIEF INVESTIGATOR:Thomas J. Goodwin, Ph.D. Lynden B Johnson Space Center
When it comes to research studies, it does not get any better than NASA. Of more than 10,000 research papers and 2000 plus double blind studies on PEMF therapy; none was more thorough and conclusive as the 4 year NASA study lead by Dr. Thomas Goodwin, PhD, on the ability of PEMF to improve the growth and repair of tissues in mammals.
Without getting into technical details of the study, I will summarize and share the main benefits of PEMF therapy that the NASA study conclusively demonstrated as well as the exact type of energy, frequency, intensity and waveform used.
1. Rapid Time Varying Waveform – Specifically the Squarewave (sawtooth also fits this criteria)
2. Low Frequency: 10 Hz (close to the frequencies of earth)
3. Low Intensity: ~10-200 milligauss (1 – 20 microtesla) which is even less than the strength of the earth’s magnetic field (33 – 66 microtesla).
Additionally NASA found that slowly varying (millisecond pulse, sine wave), non-varying (static magnetic) had little or no effect.
Directly from study on frequency and intensity (See Bottom of Pg 4 OF ACTUAL NASA Study – Pg 10 of Document itself):
A waveform (TVEMF) generator of original design and capability was developed and used to generate the waveform in a strength of 1-6 mA (AC) square wave, 10 Hz variable duty cycle, which was pulse-width modulated. NHNP cells were subjected to these extremely low-level magnetic fields (ELF waves) (~10 – 200 mGauss), which are far less than the field strength of the Earth.
Directly from study on intensity and waveform (See Bottom of Pg 12 OF ACTUAL NASA Study – Pg 18 of Document itself):
Initial results with the NHNP cells were quite startling, using extremely low-level magnetic fields (~10 –200 mGauss), below the magnetic field strength of the Earth itself (approximately 500 mGauss). We found the low-amplitude, rapidly time-varying magnetic fields exerted a very potent effect on the proliferation, morphology, and gene expression of the cells in culture, both in standard 2-dimensional culture plates (Fig 12) as well as cells organized into 3-dimensional tissue clusters (Fig 8) in the RWV.
This study is a landmark in proving the efficacy of PEMF therapy on human cells for healing, growth and regeneration, specifically the stimulation of neural stem cells. This research summary is of necessity somewhat complex, because of the complexity of the science. It is likely to be mostly of interest to those who have a scientific or engineering background. Nonetheless, this summary serves to highlight the impressive and in-depth scientific and engineering background that served as the basis for using PEMF therapy.