HHS-OASH-2026-0397-2475
https://www.regulations.gov/comment/HHS-OASH-2026-0397-2475

To the Department of Health and Human Services (HHS):
I am submitting this public comment to express urgent concern regarding the biological and neurological health impacts associated with exposure to radiofrequency (RF) radiation, electromagnetic fields (EMFs), and dense wireless infrastructure, including 5G technology. I appreciate HHS taking this critical step to collect real-world user experiences and non-thermal scientific evidence to re-evaluate outdated exposure guidelines.
1. Real-World Symptomatic Evidence
Across the country, an increasing number of individuals report debilitating physiological responses when exposed to continuous RF emissions from small cells, Wi-Fi, and cellular infrastructure. Common acute and chronic symptoms experienced by individuals affected by RF radiation exposure include:
 Severe Headaches and Migraines: Frequently coinciding with proximity to high-density wireless infrastructure or prolonged device usage.
 Persistent Tinnitus: A distinct ringing or buzzing in the ears that often correlates with localized RF exposure and disappears or diminishes in low-radiation environments.
 Nausea, Dizziness, and Vertigo: Disruption of vestibular function and equilibrium during exposure to high-frequency pulsed signals.
 Sleep Disturbances and Brain Fog: Chronic disruption of circadian rhythms, melatonin suppression, impaired concentration, and memory deficits.
 Cardiovascular Irregularities: Unexplained heart palpitations or racing pulse in high-EMF environments.  
These symptoms—often referred to as Electromagnetic Hypersensitivity (EHS) or microwave syndrome—are not placebo or psychoactive effects. They represent observable biological distress in response to environmental stressors.
2. Regulatory Gaps: Non-Thermal Mechanisms and Pulsed Signals
The current Federal Communications Commission (FCC) safety limits rely almost exclusively on guidelines established in 1996. These guidelines evaluate safety solely through the lens of short-term thermal (heating) impacts on body tissue. However, 5G and modern wireless technologies utilize complex beamforming, rapid signal pulsing, and high-density, multi-frequency exposures at levels far below those that cause tissue heating.
Peer-reviewed biomedical literature demonstrates that non-thermal RF radiation can induce:
 Cellular oxidative stress and free radical production.
 Disruption of voltage-gated calcium channels (VGCCs) in cell membranes, affecting neural transmission.
 Permeability changes in the blood-brain barrier.
 DNA damage and cellular repair inhibition.
Evaluating modern 5G safety without accounting for non-thermal biological impacts, signal pulsing, and cumulative lifetime exposure leaves the public unprotected.  
3. Protecting Vulnerable Populations
Federal guidelines currently fail to account for cumulative, chronic exposure across sensitive populations, including children, pregnant women, the elderly, and individuals with preexisting neurological or cardiovascular conditions. Children are particularly susceptible due to thinner skulls, higher tissue conductivity, and a longer lifetime of expected exposure.  
4. Action Requested from HHS
I respectfully request that HHS take the following actions:
1. Acknowledge Biological Non-Thermal Effects: Formalize health guidance recognizing that low-intensity RF radiation causes non-thermal biological harm below current thermal thresholds.
2. Establish Precautionary Guidelines: Recommend updated, health-based exposure limits to the FCC that account for real-world cumulative exposure, 5G signal characteristics, and vulnerable sub-populations.  
3. Fund Independent Health Research: Allocate federal funding for independent toxicology and epidemiological studies regarding long-term exposure to millimeter-wave and sub-6 GHz radiation.
4. Issue Public Health Education: Provide clear public guidance on practical exposure reduction strategies (e.g., hardwired connections, safe distance guidelines) for homes, workplaces, and schools.  
Thank you for reviewing this public comment and prioritizing public health and biological safety.