Per the 2021 citation, here is the former CDC director claiming he believes RF tech in cellphones causes types of brain tumors. This was part of a lawsuit by plaintiffs with alleged brain tumors from heavy cell phone use:
https://www.publicnewsservice.org/2021-03-24/health/prominen...
https://www.saferemr.com/2021/03/expert-report-by-former-us-...
The CDC guy at least seems to think there's plenty of evidence at this point. There are also citations claiming government tests are outdated fwiw, .e.g. maybe we're not appropriately testing the health effects.
All mostly new to me.