HHS-OASH-2026-0397-4487
https://www.regulations.gov/comment/HHS-OASH-2026-0397-4487

Re-evaluate exposure standards beyond simple thermal heating limits
​The Issue: Current federal guidelines (primarily based on FCC limits established in 1996) focus almost exclusively on preventing immediate thermal tissue heating (the Specific Absorption Rate, or SAR limit) over short timeframes.
​The Recommendation: HHS should urge inter-agency coordination (with the FDA, CDC, and FCC) to evaluate non-thermal, long-term biological pathways. Current research demonstrates that fields far weaker than those required to heat tissue can induce cellular responses, primarily through:  
​Oxidative stress and Reactive Oxygen Species (ROS) generation, which can indirectly compromise cellular repair pathways and intracellular signaling over time.
​Disruption of cellular calcium homeostasis, affecting membrane dynamics and cellular stress protocols.
​2. Address cumulative, multi-source exposure in real-world environments
​The Issue: Safety thresholds are currently tested on individual devices in isolation (e.g., testing a single smartphone near a model head).
​The Recommendation: HHS should fund public health surveillance and exposure modeling that reflects modern, real-world conditions. Modern environments involve concurrent, continuous exposures from multiple sources—including Wi-Fi networks, smart meters, cellular networks, wearables, and spatial transmission antennas—operating simultaneously over decades.  
​3. Establish specialized protective frameworks for vulnerable populations
​The Issue: Uniform safety thresholds assume a standardized adult physiology and do not account for biological variability across demographics.
​The Recommendation: Regulatory guidelines should implement explicit safety margins for sensitive populations:
​Children and Adolescents: Thinner skull bones, higher water content in biological tissue, and developing nervous systems lead to deeper relative RF energy penetration.
​Occupational Workers: Individuals with prolonged high-density field exposures in specific industries or environments.
​Medical Device Users: Individuals with implanted cardiac or neurological electronics sensitive to external field interference.
​4. Clear scientific terminology and clear public communication
​The Issue: The term "radiation" often creates confusion between high-energy ionizing radiation (such as X-rays or nuclear fallout, which cause direct DNA strand breaks) and low-energy non-ionizing radiation (such as RF/EMF, which operate through indirect biophysical mechanisms). Public guidance is often either overly alarmist or dismissively vague.
​The Recommendation: HHS should establish clear, transparent public health communication based on precautionary principles:
​Clearly distinguish between ionizing damage and non-thermal cellular stress mechanisms.
​Provide practical, low-cost "exposure hygiene" guidance (e.g., hardwiring home networks, keeping transmitting devices at a distance from the body during sleep, using speakerphones) so citizens can reduce unnecessary chronic exposure without unnecessary panic.
​5. Prioritize independent, human-relevant research initiatives
​The Issue: Much of the existing literature relies on either high-dose animal studies (e.g., the National Toxicology Program study) or in-vitro petri dish models that do not translate directly to human systemic biology.
​The Recommendation: HHS should direct federal research funding toward:
​Longitudinal epidemiology tracking health outcomes in populations with measured (rather than self-reported) exposure data.
​Biomarker discovery to identify whether specific individuals possess heightened biological sensitivity to non-thermal fields.