What health concern is associated with inhaling titanium dioxide dust?

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A periodic table element tile for titanium displays its atomic number 22, symbol Ti, atomic weight 47.867, electron configuration, and name. Icons indicate it is a solid, transition metal with a hexagonal crystal structure and equal relative strength. — titanium Properties of titanium.

Inhaling titanium dioxide dust is associated with potential health risks, including the development of breathing problems.1

Furthermore, the International Agency for Research on Cancer has classified titanium dioxide as a Group 2B carcinogen, which categorizes it as a "possible carcinogen to humans." This classification is based on scientific studies involving rats that inhaled the substance.1