HHS-OASH-2026-0397-2546 https://www.regulations.gov/comment/HHS-OASH-2026-0397-2546 I am a parent and grandparent and I am concerned about cell phone usage causing cancers or other health effects and there are studies that show it is plausible. This study is one of many. Brain tumours and mobile phones. Yang et al. (PLoS One, 2017; 11 studies, 6,028 cases): mobile phone use of ten years or more was associated with glioma, OR 1.44 (95% CI 1.08–1.91); same-side use, OR 1.46 (1.12–1.92); low-grade glioma, OR 2.22 (1.69–2.92). No association with high-grade glioma. PMID 28472042