6,486 Studies Reviewed. 85.2% of Original Studies Found Biological Effects. The Evidence is Clear.
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Brain & Nervous System

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Key Finding: 83% of 1,950 primary studies on brain & nervous system found biological effects from EMF exposure.

Of 1,950 studies examining brain & nervous system, 83% found measurable biological effects from EMF exposure.

Lowest Documented Effect

Research found effects on brain & nervous system at exposures as low as:

Study Exposure Level in ContextStudy Exposure Level in Context4.3 × 10⁻⁵ mGExtreme Concern - 5 mGFCC Limit - 2,000 mGEffects documented below the Building Biology "No Concern" threshold (0.2 mG)FCC limit is 46.5 million times higher than this level
View study: Effects of Low-Frequency Electromagnetic Field on Oxidative ...

Research Overview

  • -When you review the peer-reviewed literature on electromagnetic field exposure and brain function, the numbers tell a compelling story: 84% of the 2,753 studies examining this relationship have documented measurable effects.
  • -This isn't a fringe concern or preliminary finding.
  • -This is the dominant scientific picture, and it deserves your attention.

When you review the peer-reviewed literature on electromagnetic field exposure and brain function, the numbers tell a compelling story: 84% of the 2,753 studies examining this relationship have documented measurable effects. This isn't a fringe concern or preliminary finding. This is the dominant scientific picture, and it deserves your attention. The documented effects span multiple systems within your nervous system.

Of 2,753 studies examining EMF effects on the brain and nervous system, approximately 84 percent found measurable biological effects.

The scientific evidence demonstrates that radiofrequency electromagnetic fields from mobile phones and wireless devices produce measurable effects on nervous system function and cellular processes in the brain.

Source: BioInitiative Working Group. BioInitiative Report: A Rationale for Biologically-based Public Exposure Standards for Electromagnetic Radiation. Edited by Cindy Sage and David O. Carpenter, BioInitiative, 2012, updated 2020. www.bioinitiative.org

Research Statistics by EMF Type

EMF TypeStudiesShowing EffectsPercentage
ELF22920891.00%
RF30522272.00%

Source: Dr. Henry Lai research database

Showing 2,030 studies

Whole Body / General

EXPERIMENTAL INJURY TO THE EYE WITH ULTRA-HIGH-FREQUENCY ELECTROMAGNETIC FIELDS

A. P. Balutina · 1965

Researchers exposed 20 rabbits to a 1-cm range UHF-field at 120 mW/cm² for 20 to 50 minutes per session, repeated 69 times. No new lens opacities appeared, but pre-existing congenital opacities in 9 of 20 rabbits were distinctly enhanced, especially in lenses with posterior subcapsular cataract. In 7 of 9 affected rabbits the enhanced opacities resolved beginning 14-21 days after the last exposure.

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Brain & Nervous System

The Effect of Microwaves on the Central Nervous System

W. Bergman · 1965

The study reports that centimeter-wave microwaves affect circulation, respiration, temperature control, water balance, albumin and sugar concentration in cerebrospinal fluid, hydrogen ion concentration, EEG, GSR, sleep, and conscious awareness. Depending on dosage, the waves stimulate either the sympathetic or parasympathetic system. Undamped or modulated frequencies are more effective than damped waves, and biological effects result from resonance absorption in ganglia.

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Whole Body / General

Relationship of Environmental Factors to Lenticular Changes in Microwave Workers

S. F. Cleary, B. S. Pasternack, M. Eisenbud · 1964

Researchers examined 736 microwave workers and 559 controls for subclinical lens defects using ophthalmologic examination. Lens defect incidence increased linearly with age in both groups but at a significantly greater rate in microwave workers, attributable to lens opacity and posterior polar defects correlated with exposure parameters. A retrospective study of 2,946 cataract cases and 2,164 controls found no significant increase in relative risk of cataract formation associated with military radar work.

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Learn More

For a comprehensive exploration of EMF health effects including brain & nervous system, along with practical protection strategies, explore these books by R Blank and Dr. Martin Blank.

Overpowered: The Dangers of Electromagnetic Radiation book cover

Overpowered: The Dangers of Electromagnetic Radiation

Dr. Martin Blank & R Blank

Read on Amazon
Empowered: A Practical Guide to Protecting Yourself from EMF book cover

Empowered: A Practical Guide to Protecting Yourself from EMF

R Blank

Read on Amazon

FAQs: EMF & Brain & Nervous System

When you review the peer-reviewed literature on electromagnetic field exposure and brain function, the numbers tell a compelling story: 84% of the 2,753 studies examining this relationship have documented measurable effects. This isn't a fringe concern or preliminary finding. This is the dominant scientific picture, and it deserves your attention. The documented effects span multiple systems within your nervous system.
The SYB Research Database includes 1,950 peer-reviewed studies examining the relationship between electromagnetic field exposure and brain & nervous system. These studies have been conducted by researchers worldwide and published in scientific journals. The research spans multiple decades and includes various types of EMF sources including cell phones, WiFi, power lines, and other common sources of electromagnetic radiation.
83% of the 1,950 studies examining brain & nervous system found measurable biological effects from EMF exposure. This means that 1621 studies documented observable changes in biological systems when exposed to electromagnetic fields. The remaining 17% either found no significant effects or had inconclusive results, which is typical in scientific research where study design and exposure parameters vary.