{"id":"HHS-OASH-2026-0397-3435","number":"3435","name":"Eric Morin","organization":"","posted":"2026-10-17T04:00Z","received":"2026-10-12T04:00Z","body":"• U.S. National Toxicology Program (NTP): A $30 million large-scale rodent study reported \"clear evidence\" of malignant schwannomas in the hearts of male rats exposed to high levels of 2G/3G radiofrequency radiation (RFR), alongside some evidence of brain gliomas and DNA damage in certain tissues.\n• Ramazzini Institute: A large rodent study mirrored findings from the NTP, observing similar heart and brain tumor increases at lower exposure levels that closely mimic environmental cell tower exposures.\n• Cellular and DNA Research: Multiple in vitro and animal studies (including reviews indexed via PubMed) suggest that RF radiation can increase oxidative stress, trigger cellular inflammation, or cause single- and double-strand DNA breaks under specific experimental conditions.\nHere are two studies, one from the National Cancer Institute and the other from the National Institute for Health.\n\nhttps://pmc.ncbi.nlm.nih.gov/articles/PMC6701402/\n\nhttps://www.cancer.gov/about-cancer/causes-prevention/risk/radiation/cell-phones-fact-sheet","attachments":[],"attachment_inventory":true,"withheld":false,"source":"https://www.regulations.gov/comment/HHS-OASH-2026-0397-3435","tags":["cancer-tumors","biology-metabolism","exposure-places","research-evidence"],"source_hash":"de921fe3a0cdc642bbb4c3dd6681377b406b8c183b544f25b60323a8368054cc","slug":"cancer-tumors-comment-3435","classification":{"id":"HHS-OASH-2026-0397-3435","body_sha256":"2f238b3ccc4a8fcf88087911a2cb44d9a20201c6121e8497eb1c2e79eebbaa1a","status":"ai_reviewed","primary_topic":"research","topics":[{"id":"research","evidence":"• U.S. National Toxicology Program (NTP): A $30 million large-scale rodent study reported \"clear ev"},{"id":"cancer","evidence":"tion (RFR), alongside some evidence of brain gliomas and DNA damage in certain tissues.\n• Ramazzini Institute: A larg"},{"id":"mechanisms","evidence":"bMed) suggest that RF radiation can increase oxidative stress, trigger cellular inflammation, or cause single- and double-stra"}],"summary":"Summarizes NTP, Ramazzini and cellular research concerning tumors, DNA damage and oxidative stress, and provides research links.","reviewed_at":"2026-10-17T20:52:40Z","review_method":"Source-based AI review of complete published bodies; neutral attribution and exact topic evidence.","review_source_sha256":"0e925589e61014c85729d35f01c922aeee6b0df4c77c8373e5c563665181ad14","source_url":"https://rfsafe.net/hhs-comments/data/catalog.json","scope":"Original comment body; attachments excluded"},"forum_topics":["research","cancer","mechanisms"],"primary_topic":"research","forum_title":"Summarizes NTP, Ramazzini and cellular research concerning tumors, DNA damage and oxidative stress, and p…"}