HHS-OASH-2026-0397-6549 https://www.regulations.gov/comment/HHS-OASH-2026-0397-6549 . & 2. I am responding as: an individual 3a. Type of wireless or RF/EMF sources involved (e.g., mobile phones, Wi-Fi, smart meters…)Wi-Fi (router and public nodes) and phone masts. 3b. Nature, duration, frequency, and approximate timing (e.g., years):Several hours per day for 20 years. Ca 2 - 60 GHz. 3c. Adverse health effect(s) experienced:Headache, impaired memory and concentration, skin irritation, anxiety, sleep disorder. 3d. Time from first exposure to first appearance of adverse health effects; and did a change in exposure coincide with the onset of adverse effects:5-10 minutes. 3e. Was medical evaluation or treatment sought? (Optionally:) Was there a diagnosis?No. No use. 3f. Were steps taken to reduce or eliminate exposure, and were there subsequent changes in the effects?Yes: Avoiding public transport and hot spots in the city. At home router was turned off when needed.