# IARC classifies inhaled titanium dioxide dust as Group 2B—possibly carcinogenic—based on rat lung tumors; evidence in…
*Canonical page:* https://truthscore.com/claim/iarc-classifies-inhaled-titanium-dioxide-dust-as-group-2b-possibly--80a32c56
*Numbers under lens:* **Evidence-weighted** (`log-odds@1`)
*Machine twins:* https://truthscore.com/claim/iarc-classifies-inhaled-titanium-dioxide-dust-as-group-2b-possibly--80a32c56.md · JSON at https://truthscore.com/api/v1
IARC classifies inhaled titanium dioxide dust as Group 2B—possibly carcinogenic—based on rat lung tumors; evidence in people was inadequate.

## Voices

*Counted, never weighed.*

- [reddit.com](https://truthscore.com/entity/9758c1c4) — independent

## Sources

- [FDA still allows titanium dioxide in U.S. food at 1 percent — EU banned E171 in 2022 after EFSA could not rule out genotoxicity](https://truthscore.com/source/1008f1c4)